7. A 225-kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.

Q: 5° P 5° The wooden box weighs 274.5 kg. Between all contacting surfaces, μs = 0.32 and µk = 0.30.…

A: According to Newton's second law  Net force = Mass×acceleration When acceleration is zero, net force…

Q: If a power company charges about 10 e per kilowatt-hour, how much would this energy cost per day if…

A: Tha charge: The energy:

Q: YBriefly explain why antimatter is difficult to store after it is produced in the laboratories.

A: Antimatter is simply the opposite of regular matter and will destroy itself and any regular matter…

Q: Part (c) What is the change in the magnitude of the electric field (in N/C) if a test point moves…

A: E=-dVdrE=-ddrq4π∈0a0exp-2ra01+a0rE=q2πa02exp-2ra0-3

Q: As a ball falls under the influence of gravity, does gravity do positive work or negative work?…

A:

Q: 5. The position of a particle along the x-axis is given by x(t) = 3t³-2t² - 4t+5. a. What is the…

A:

Q: A slight earth tremor causes a large boulder to break free and start rolling down the mountainside…

A: Acceleration is the rate at which velocity changes with time. a = dv/dt = (v-u)/dt v = u + a×dt…

Q: • A penny is placed 4.0 cm in front of a converging lens ● The focal length of the lens is 15 cm a)…

A:

Q: Determine the magnitude of the resultant (F, + F₂) force in N when F₁ = { 10 i+20 j} N and F₂ = { 20…

A: Given data:  Two forces F1 = (10i + 20j) N F2 = (20i + 20j) N Required: The magnitude of the…

Q: Part A - Finding the length of the hypotenuse of the first triangle For the first triangle, what is…

A:

Q: *Problem 3: A 1000 kg car travelling at 60 mph (26.84) impacts a brick wall. The car comes to a stop…

A:

Q: 5. It's time for the game Where's That Satellite! What celestial body is your satellite orbiting if…

A: Given Time period of satellite-  T= 49[hours]   =49×3600   =176400[s] Converting to seconds, we…

Q: Problem 5: 45 40 30 Figure 1. The red points from 1 to 15 show the successive locations of a puck at…

A: Given:

Q: . A projectile is launched off of a 10.0 meter high roof with an initial velocity 29.0 m/s in a…

A:

Q: Flying Circus of Physics Traffic shock wave. An abrupt slowdown in concentrated traffic can travel…

A: Speed of faster cars (): 27.0 m/sSpeed of slower cars (): 5.30 m/sThe length added by each faster…

Q: r AB= ? in (I+j+k)

A: Given:

Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

A:

Q: As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at…

A:

Q: A force of constant magnitude pushes a box up a vertical surface, as shown in the figure. The box…

A:

Q: c is incorrect and what is b?

A:

Q: Determine the magnitude and direction e of FB so that the resultant force is directed along the…

A:

Q: DRAW FREE BODY DIAGRAMS FOR OBJECTS IN THE SYSTEMS

A: Given data:     The mass of block one is: m1 The mass of block two is: m2  The mass of pulley is: m…

Q: 1.) An automobile has tires with a radius of 0.39m. Starting from rest, it moves in a straight line…

A: radius (r) = 0.39 m initial velocity = 0 msangular displacement = 285 radians

Q: A car slides down an inclined surface PQ and moves horizontally along QS. QR is a rough surface…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: