Start your trial now! First week only $4.99!*arrow_forward*

Question

A particle moving with a constant acceleration has a velocity of 20 cm/s when its position is x = 10 cm. Its position 7.0 seconds later is x = -30 cm. What is the acceleration of the particle?

1 Rating

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: A spacecraft is traveling with a velocity of v0x = 4570 m/s along the +x direction. Two engines are ...

A: The initial velocity of the spacecraft is 4570 m/s in the +x direction.

Q: What is the energy released in this β−β−nuclear reaction 20380Hg→20381Ti+0−1e80203Hg→81203Ti+−10e? (...

A: The expression for the nuclear reaction is,

Q: 30. As shown in Figure P9.30, a bullet of mass m and speed v passes completely through a pendulum bo...

A: Given that the mass of the bullet is m, its speed before collision is v, the mass of the bob is M, t...

Q: a man weighs 600N while on the surface of earth. if he is transported to the planet mythos , which h...

A: Write the expression for the gravitational force,

Q: A capacitor with initial charge q0 is discharged through a resistor. What multiple of the time const...

A: Charge is given by,

Q: The figure below shows two very long straight wires (in cross section) that each carry a current of ...

A: Magnetic field due to a very long current carrying wire is,

Q: One of the many isotopes used in cancer treatment is 19879Au79198Au, with a half-life of 2.70 d. Det...

A: The expression for the number of radioactive nuclei,

Q: Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The f...

A: Given:

Q: A single-loop circuit consists of a 7.0 Ω resistor, 12.2 H inductor, and a 3.1 μF capacitor. Initial...

A: Given,

Q: Chapter 22, Problem 032 Your answer is partially correct. Try again. In the figure positive charge q...

A: (a) Due to the symmetry, the x-component of the electric field as a point lying on the perpendicular...

Q: Chapter 23, Problem 042 Two large metal plates of area 1.3 m face each other, 5.6 cm apart, with equ...

A: The expression for electric field of the two current carrying parallel metal plates is,

Q: In a particular region there is a uniform current density of 14 A/m2 in the positive z direction. W...

A: Given:

Q: Question 48

A: 48.The expression for the x-coordinate of the center of mass,

Q: An electric power station is producing 350 kW of power that is to be sent to a small town located 40...

A: Given information: The power produced is 350 kW, the distance to which it is transmitted is 40.0 km....

Q: A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceili...

A: The mass of the first block =m1=3.2kg.The elastic potential energy corresponding to block with mass ...

Q: Find the direction and magnitude of the net force exerted on the point charge q1

A: Consider the axis along the line from charge q1 to q2 to be the positive y-axis and from q1 to q4 to...

Q: In the figure the resistances are R1 = 1.2 Ω and R2 = 2.4 Ω, and the ideal batteries have emfs ε1 = ...

A: In the left side loop, using Kirchoff’s voltage law,

Q: What is the energy released in this nuclear reaction 199F+42He→2210Ne+11H919F+24He→1022Ne+11H? (The ...

A: The expression for the nuclear reaction is,

Q: A bowling ball (mass=7.2 kg, radius=0.11 m) and a billiard ball (mass=0.38 kg, radius=0.028 m) may e...

A: Let m1 and m2 be the mass of bowling ball and billiards ball respectively.Let r1 and r2 be the radiu...

Q: A crane lifts a 425 kg steel beam vertically upward a distance of 95 m. How much work does the crane...

A: The work done by the crane can be calculated using following steps:Given:

Q: Chapter 28, Problem 006 Your answer is partially correct. A proton moves through a unform magneic te...

A: Given:

Q: An object is at x = 5 m at t = 0 and moves along the x axis according to the velocity-time graph sho...

A: From the given velocity- time graph, the value of the velocity at time t=8s is 12m/s. So, the value ...

Q: At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three di...

A: (a) Given that F1=50N and F2=90.Write vector form of each forces.

Q: Add 4476 g and 34.0 kg and express your answer in miligrams (mg)

A: Given information: The given masses are 4476 g and 34.0 kg.To determine: The sum of the masses in mi...

Q: Please show me how to work this. Please don't round any figures.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surfa...

A: a)The expression for the angular frequency,

Q: 3. A liquid is flowing through a horizontal pipe whose radius is 0.0269 m. The pipe bends straight u...

A: Given that the radius of the bottom pipe is r1=0.0269m, the radius of the top pipe is r2=0.0588m, an...

Q: A car drives straight off the edge of a cliff that is 58 m high. The police at the scene of the acci...

A: Let ux be the horizontal velocity of the car and uy be the vertical velocity,.The kinematic expressi...

Q: V=IR, if I is constant, what happens to V by changing R value?

A: Ohm’s law states that the potential difference across an ideal conductor is proportional to the curr...

Q: The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a...

A: The mass of the lighter box = 8 kg.The mass of the heavier box = 35 kg.The distance between point A ...

Q: In a classroom demonstration, an 820 N student lies on a bed of sharp, evenly spaced, vertical nails...

A: (a)The average force exerted by the nail on the student’s body is,Here, W is the total weight of the...

Q: At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.1 m/s...

A: The minimum time that a player should wait can be calculated as follows:Given:Initial velocity of th...

Q: Can some one show step by step of how to solve by using the quadratic kinematic and using (Vix) time...

A: The horizontal distance at which the rock is landed = 1 km 1000 m.The angle at which the rocks launc...

Q: The figure shows a parallel-plate capacitor with a plate area A = 2.52 cm2 and plate separation d = ...

A: When capacitors are connected in series, the total capacitance is less than any one of the series ca...

Q: In the figure R1 = 5.11 Ω, R2 = 15.3 Ω, and the ideal battery has emf ε = 12.4 V. (a) What is the ma...

A: The circuit diagram is given by:

Q: while studying for this quiz you realize that you still have 100g of lukewarm coffee at 40 degree C ...

A: According to the theory of temperature of mixing, when two substances of different temperatures are ...

Q: The figure below shows three charges at the corners of a rectangle of length x = 0.65 m and height y...

A: Write the expression for the distance between charges +2.7micro Coulomb and -3.3 micro Coulomb.

Q: Suppose you use an ideal pulley of the type shown in (attached image) and find it necessary to exert...

A: a)The relation between tension and weight of load is,

Q: ch work (úin Joules) is done in lifting a 2.5 kg dictionary from the floor onto a shelf 1.9 m high? ...

A: Since we only answer upto 3 sub-parts, we will answer the first 3. Please resubmit the question and ...

Q: Can someone please help me understand what I'm doing wrong on this one?

A: Acceleration is the rate of change of velocity. It is equal to the slope of the graph about the poin...

Q: What is the capacitance of a parallel-plate capacitor made up of two plates of area 4cm^2 separated ...

A: The capacitance of a parallel-plate capacitor

Q: How much work is required to set up the four-charge configuration of the figure if q = 4.50 pC, a = ...

A: Work done is same as the change in potential energy. Potential energy is a state of a system , a way...

Q: The riders push on the mower with a constant force of 45 Newtons for an hour.Using v = 0.40 m/sec, t...

A: Given:

Q: A 3.72 kg iron box is suspended from a spring with a spring constant of k=18 N/m. The mass is pulled...

A: The mass of the iron box is 3.72 kg, and spring constant of the spring is 18 N/m, and the distance m...

Q: A 1000-kg barge is being towed by means of two horizontal cables. One cable is pulling with a force ...

A: The direction of the cable exerting force of 120 N can be calculated using following steps:Given:

Q: Two blocks are sliding to the right accross a horizontal surface, as the drawing shows. In Case A th...

A: Consider the figure, the free body diagram of block 1 and block 2 for the two-block system is shown....

Q: The cube in the figure has edge length 1.87 m and is oriented as shown in a region of uniform electr...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: In Figure (a) particles 1 and 2 have charge 38.0 μC each and are held at separation distance d = 4.7...

A: Given,

Q: A pulley has an initial angular speed of 12.5 rad/s and a constant angular acceleration of 3.41 rad/...

A: The equation of motion corresponding to angular motion is

Q: A body of unknown mass is attached to an ideal spring with force constant 122 N/m. It is found to vi...

A: a)The expression for the time period is,