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A 100kg block slides on the floor with an initial speed of 6.4 m/s. If
the coefficient of kinetic friction between the block and the floor is 0.46,
what is the player’s acceleration? How far did he slide?
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- A block is sliding down a ramp at an angle of 0 = 29° to the horizontal. Its initial speed is 1.2 m/s. After sliding 11.9 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? ᎾA child of mass 26 kg , is sliding down a water-slide that has an angle of 32 deg. If the water lubricates the slide to a frictionless surface, and the slide is 9 meters long. What is the child's velocity at the bottom?Express answers in significant figures and scientific notation only. An athlete slides down from rest 40.0 meter along an icy hill which is 35 degrees from the horizontal. He then continues sliding on the level ice. a) If the coefficient of kinetic friction between the athlete and ice is 0.20 (neglect air resistance) find speed (m/s) of the athlete at the foot of the plane. b) find the distance (m) from the foot of the plane to the point where he has landed to the level ice
- A block starting from rest slides a distance of 5 m down an inclined plane which makes an angle of 37 degrees with the horizontal. The coefficient of friction between block and plane is 0.2, What is the velocity of the block after sliding 5 m? The correct answer is 6.57 m/sTwo horses pull a cart with a total applied force of 1000N. The kinetic friction from the gravel road has a value of 375 N. Assuming the cart is 200kg, what is the acceleration of it?The road is flat and the horses are traveling in a straight path.At Ted's request, Bill pushes the pizza box across the granite countertop towards Ted. When the box leaves Bill's hand it is sliding at 2.60 m/s. The box comes to rest over a distance of 110 cm. What is the coefficient of kinetic friction, uk, between the pizza box and the countertop? (Ignore air drag.)
- A box of mass 7.3 kg is slid along the floor. The initial speed of the box is 6 m/s and it comes to rest after 8.5 m. What was the magnitude of the force of friction acting on the box during this motion?David throws a 50 kg cart down a ramp with an initial speed of vi = 6 m/s. The ramp is at an angle of 20◦, and the coefficient of kinetic friction between the cart and the ramp is µk = 0.25. Additionally, the coefficient of static friction is µs = 0.55. How much time does it take to reach Ryan who is 10 m away? Assume that the cart slides and doesn’t roll.A toad with mass of 280 g leaps into the air to catch a fly. If the toad's jump was at an angle of 35 degrees with respect to the horizontal, and with an initial velocity of 5.1 m/s, what is its speed (in m/s) when it reaches its maximum vertical displacement?
- A box of mass 10.2 kg is slid along the floor. The initial speed of the box is 2.5 m/s and it comes to rest after 8.1 m. What was the magnitude of the force of friction acting on the box during this motion? You must enter you answer and include the SI units. (For example: 3.0kg)A woman pushes an initially stationary 11.3 kg gift up a 15.90 ramp a distance of 7.21 m. If she pushes with constant force of 84.0 N and the coefficient of friction is 0.333, what is the final velocity of the gift?A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.18 and the push imparts an initial speed of 3.9 m/sm/s ? Express your answer to two significant figures and include the appropriate units.