A car (mass = 2,335 kg) is traveling +5.8 m/s when the driver applies the brakes.  The car moves 75.3 m before it comes to a complete stop.  What is the force applied by the breaks (assuming it remains constant). Use g=9.8

Q: A 841.2 kg car initially moving at 17.39 m/s starts to slow down and comes to a complete stop in…

A: Just replace the values and its done

Q: The total force on an object is ( 20 ı ^ + 40 ȷ ^ ) Newtons.  Its acceleration is ( 4 ı ^ + 8 ȷ ^ )…

A: The magnitude of the total force is: The magnitude of the acceleration of the object is:

Q: You place a crate of mass 36.2 kg on a frictionless 3.53-meter-long incline. You release the crate…

A:

Q: Nathan spends 5x102s pushing his truck 1km east (+x) down a road with a force of 2kN in the +x…

A:

Q: Three forces acting on an object are given by  F1 = (−1.6î + 6.55ĵ) N, F2 = (4.75î − 1.2ĵ) N, and…

A: Given : F1 = (−1.6î + 6.55ĵ) N F2 = (4.75î − 1.2ĵ) N F3 = (−44.5î) N Acceleration (a) = 3.90 m/s2

Q: A 50.0 kg man standing on a spring scale takes a descending elevator ride (DOWNWARD). Starting from…

A:

Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

A: Mass of the vehicle m = 2.40 × 103 kg Initial velocity of the vehicle u = 25.0 m/s Final velocity of…

Q: An electron is a subatomic particle (m = 9.11 x 10*31 kg) that is subject to electric forces. An…

A:

Q: A driver drives his 1225.0-kg vehicle heading north and then turns east at an intersection. It…

A:

Q: At launch a rocket has a mass of 3.66×104 kg, and the thrust of the engines is 5.34×105 N. If the…

A: Given  Mass of rocket,M = 3.66× 104 kg  Thrust, F = 5.34×105 N  Acceleration due to gravity,g = 9.81…

Q: A stone is thrown straight upward with a speed of 25 m/s. It is caught on its way down at a point 5…

A: The vertical displacement of stone is   y=y_0+v_0t-(1/2)gt^2  5=25t-(1/2)(9.80)t^2 5=25t-4.90t^2 On…

Q: You place a crate of mass 39.4 kg on a frictionless 3.67- meter-long incline. You release the crate…

A: Given,

Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

A:

Q: A runaway train with a mass of 500kg is stopped by batman. If it runway train starts with an initial…

A:

Q: A 23 kg box is dragged 4.7 meters across the floor by a rope that is angled at 66degrees with the…

A:

Q: The parachute on a race car of weight 8010 N opens at the end of a quarter mile run when the car is…

A:

Q: A boy slides down a hill on a sled (total mass of 31 kg) and coasts onto a flat plain with a speed…

A: Given data The total mass of the boy and sled is m = 31 kg. The speed of the boy and sled is u = 6.5…

Q: A 2.0 kg block is sliding on a horizontal surface slides to a halt due to friction of magnitude 5.1…

A:

Q: A 45.3 kg steel box is pushed along the concrete ground. It goes from zero to a speed of 23.3 m/s in…

A:

Q: Pushing a block over horizontal surfaces, a person examines their understanding of friction. In the…

A: The frictional force acts in the opposite direction of the motion of an object. If the object is…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: You place a crate of mass 38.8 kg on a frictionless 2.20-meter-long incline. You release the crate…

A:

Q: stly, physicist like to express friction forces in terms of the efficient of friction µ, so that = µ…

A: The problem can be solved using free body diagram and equation of motion.The solution for the given…

Q: A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of…

A: To solve the problem we will calculate the acceleration first and then using Newton's 2nd law of…

Q: An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An…

A:

Q: A driver in a 1500-kg car driving at 10.0 m/s gently presses the brakes momentarily. The brakes…

A:

Q: A cyclist is coasting at 18 m/s when she starts on a 450 m long slope that is 40 m high. The cyclist…

A:

Q: An electron is a subatomic particle (m= 9.11 x 10-31 kg) that is subject to electric forces. An…

A:

Q: What is the coefficient of friction between the tires and the surface?

A: Giiven: m= 2500 kg  Initial velocity =vi=14.0 m/s  Final velocity= 0 m/s  accelerartion due to…

Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

A:

Q: a sled, with a mass=6.50kg, is sliding down a snow-covered hill that has a slope of 45.0 degrees.…

A: Draw the free-body diagram of the mass as shown velocity.

Q: Aircraft carriers use catapults to launch jets from their deck. One such catapult accelerates a…

A:

Q: m = 8 kg v0 = 6 m/s F = 12 N the box reaches 10 m in 1.4 seconds If you wanted the box to reach a…

A: m = 8 kg v0 = 6 m/s x = s = 10 m t = 0.761 s F = ?

Q: A 1.4 gram bullet is shot into a tree stump. It enters at a velocity of 341 m/sec and comes to rest…

A: To determine,the force on the bullet during impact.given,time to strike the stump(t)=0.00032…

Q: An constant applied force of 40.1 N lifts an 2.50 kg mass straight up, resulting in a final speed of…

A: Given information: Here, m is the object’s mass, F is the constant force applied on the object, and…

Q: An airplane starts from rest on the runway. The engines exert a constant force of 78.0 KN on the…

A: Required : Distance traveled on the runway.

Q: Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P =…

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.

Q: Superman is applying a 17,000 N horizontal force to try and stop a speeding locomotive. This train…

A:

Q: A car with a mass of 1.3x103 kg is skidding to a stop along a horizontal surface. The car…

A:

Q: A car of mass 822 kg is traveling 26.4 m/a when the driver applies the brakes, which lock the…

A:

Q: A commercial airplane is coming in for a landing. Just before it hits the runway it is moving at 76…

A: a=v2-u22d=0 m/s2-76 m/s221.6km103 m1 km=-1.81 m/s2

Q: Tanjiro is driving a 1500 kg truck while pulling a trailer. His acceleration is 1 m/s2. Nezuko is…

A: Force refers to a push or pull on an object which changes or tries to change the motion of the…

Q: A 5-kg block is set into motion up an inclined plane (30°) with an initial speed of 8.0 m/s. There…

A: The 5 kg block is set into motion at an inclined plane upwards, which has an angle of incline of 30.…

Q: A box with mass 25.1 kg has an initial velocity of 2.66 m/s when a woman starts pushing the box with…

A: Given data: Mass of box is, m=25.1 kg. Initial velocity of box is, u=2.66 m/s. Net force acting on…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!