A body is projected up a 30 degree inclined plane with an initial velocity of 12 m/s. If the coefficient of friction between the body and the plane is 0.20, how far will the body move up the plane. Correct answer is 10.9 m
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Q: A 40 N box is resting on a table when a 10 N force is applied to it horizontally. The coefficients…
A: Frictional force F = uN
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A: mB = 25 kg mA = 15 kg N is the normal force and fs is the static friction.
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A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
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A: Solution:-Given thatm=1171 kgwhen t=0; V1=342 km/hrwhen t=4 s; V2=80 km/hrFdrag=kv
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A: Given: θ=40°μslope = 0.30h=6.0 mμhori.=0.45
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- A truck is traveling at 14.7 m/s down a hill when the brakes on all four wheels lock. The hill makes an angle of 19 ° with respect to the horizontal. The coefficient of kinetic friction between the tires and the road is 0.789. How far, in meters, does the truck skid before coming to a stop?A truck is traveling at 10.0 m/s down a hill when the brakes on all four wheels lock. The hill makes an angle of 11 ° with respect to the horizontal. The coefficient of kinetic friction between the tires and the road is 0.933. How far, in meters, does the truck skid before coming to a stop?Two crates of fruit are released from the top of a ramp inclined at 30 degrees from the horizontal and 4.5 meter long. The two crates consist of an apple crate of mass 20 kg that is placed in front of a watermelon crate of mass 80 kg. The apple crate has a coefficient of friction of 0.20 while the watermelon crate has a coefficient of friction of 0.15. How long does it take the apple crate to reach the bottom of the incline if it needs to travel a distance of 4.5 meters?
- A 40 N box is resting on a table when a 20 N force is applied to it horizontally. The coefficients of static and kinetic friction are 0.3 and 0.1, respectively. Which of the following best describes the resulting motion of the box? The motion of the box cannot be determined with the given information. The box accelerates in the direction of the applied force. The box remains at rest. The box moves with a constant velocity in the direction of the applied force.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.For Problems 1 and 2, use the following formula to describe the magnitude of a drag force: 1 D = — -CA pv² 2 FD Problem 1: When a car is traveling at a speed of 30 km/h, it experiences a drag force of magnitude F. If the car increases its speed to 40 km/h, what then will be the drag force it experiences? Assume the drag force is proportional to the square of speed.
- A stationary 10kg object is sitting on the ground. The coefficient of static friction between the object and the ground is 0.8 and the coefficient of kinetic friction is 0.6. How much horizontal force needs to be applied in order to make the object move?A warehouse worker exerts a constant horizontal force of magnitude 86.0 N on a 40.0 kg box that is initially at rest on the horizontal floor of the warehouse. When the box has moved a distance of 1.60 m, its speed is 1.00 m/s. What is the coefficient of kinetic friction between the box and the floor?A truck is traveling at 14.7 m/s down a hill when the brakes on all four wheels lock. The hill makes an angle of 19 ° with respect to the horizontal. The coefficient of kinetic friction between the tires and the road is 0.789. How far, in meters, does the truck skid before coming to a stop?