A 2.1 ✕ 103-kg car starts from rest at the top of a 4.9-m-long driveway that is inclined at 16° with the horizontal. If an average friction force of 4.0 ✕ 103 N impedes the motion, find the speed of the car at the bottom of the driveway.

Q: An 80.0-kg skydiver jumps out of a balloon at an altitude of 1,190 m and opens the parachute at an…

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Q: 80. A skier starts at the top of a frictionless slope and pushes off with a speed of 2.0 m/s. The…

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Q: In the figure a block slides along a path that is without friction until the block reaches the…

A: Velocity at the start of the friction segment is, v=vA2-2gh=8.2 m/s2-29.8 m/s21.9 m=5.477 m/s

Q: When an automobile moves with constant speed down a highway, most of the power developed by the…

A: the expression for power is,here, f is the frictional force,

Q: A constant 15 N force is applied at an angle of 45° below the horizontal to a 30 kg cart at rest on…

A: Given that - Force Angle Mass Distance To Find - We have to determine the speed of the cart.

Q: A small block slides down a frictionless track whose shape is described by x>0, The value of d is…

A:

Q: A block of ice with mass 2.00 kgkg slides 0.935 mm down an inclined plane that slopes downward at an…

A: Given data: Mass of ice block is, m =2.00 kg . Sliding distance is, s =0.935 mm=0.935×10-3 m. Angle…

Q: An object with mass of 10 kg is dropped from a height of 20 m from the ground. Assuming only the…

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Q: A sled is initially given a shove up a frictionless 23.0° incline. It reaches a maximum vertical…

A: The kinetic energy at the bottom of the inclined plane is equal to potential energy at the top of…

Q: 53. Starting from rest, a 93-kg firefighter slides down a fire pole. The average frictional force…

A:

Q: The engine in an imaginary sports car can provide constant power to the wheels over a range of…

A: initial speed u = 0 final speed v = 120 km/h = 50 x 1000/3600  = 13.89 m/s

Q: floor is fricti

A: Given: Mass of crate is 24 Kg Force is 225 N Friction coefficient is 0.2 Distance is 21 m

Q: "A 65 kg teacher, starting from rest, glides gracefully down a slide while the net force on her is a…

A:

Q: A 1000 kg car is traveling at 90 km / h on a flat road. The brakes are applied long enough to reduce…

A: mass = 1000 kg Speed = 90 km/hr  = 90 * 5/18 m/s = 25 m/s Final kinetic energy =initial kinetic…

Q: A skier starts from rest at the top of a frictionless incline of height 20m. At the bottom of the…

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Q: A motorcyclist drives up a 3.1-meter tall ramp and leaves the ramp with a speed of 42.5 m/s. If…

A: Initial height (h) = 3.1 m Initial speed (u) = 42.5 m/s Final speed (v) = 37.8 m/s

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

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Q: A 12 kg package in a mail sorting room is released with an initial speed of 3 m/s and slides a total…

A: Given information: Here, m is the package’s mass, vi is the package’s initial velocity, s is the…

Q: 1) a child and sled with combined mass of 46.7kg slide down a fictionless hill that is 10.2m high at…

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Q: A parachutist weighing m=70Kg (including equipment) falls vertically from a height of 1500 meters…

A: Given data: The mass of parachutist is m=70 kg. The height from ground is h=1500 m. The time after…