A train of mass 86100 kg is traveling along a straight, level track at 26.8 m/s. Suddenly the engineer sees a truck stalled on the tracks 184 m ahead. If the maximum possible braking force has magnitude 54.0 kN, how much distance will the train travel before coming to rest?

Q: A nurse pushes a cart by exerting a force on the handle at a downward angle 31° below the…

A:

Q: A mover has to move a heavy sofa of mass 100 kg to the second floor of the house. He uses a rope to…

A:

Q: A 3 kg object moves along an x axis according to x (t) = 9 + 8 t + 7 t 2 +9 t 3, with x in meters…

A:

Q: An elevator filled with passengers has a total mass of 1960 kg and is suspended from a single cable.…

A: Total mass of elevation with passengers m = 1960 kgInitial the elevator is at rest so, u = 0The…

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

A:

Q: A husky is pulling a sled loaded with cargo (total mass m = 34kg) along some snow, which has…

A:

Q: Determine the stopping distance for a skier moving down a slope with friction with an initial speed…

A:

Q: Two ropes are connected to a 200 kg dinghy. Two brothers each take one rope and pull. When the…

A:

Q: A 170-N crate is being pulled up a perfectly smooth ramp that slopes upward at 14.0° by a pull that…

A:

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: You place a crate of mass 20.1 kg on a frictionless 4.69-meter-long incline. You release the crate…

A:

Q: Q: A normal walking speed is around 2.0 m/s . How much time t does it take the box to reach this…

A:

Q: Two ropes are connected to a 200 kg dinghy. Two brothers each take one rope and pull. When the…

A:

Q: A small, single engine airplane is about to take off. The airplane becomes airborne, when its speed…

A: Using 3rd kinematic equation in horizontal direction: V^2 = U^2 + 2*a*d U = Initial speed of plane =…

Q: A frictionless plane is 10.0 m long and Inclined at 28.0°. A sled starts at the bottom with an…

A: The acceleration of the sled is, a=mgsinθm=gsinθ=9.8 m/s2sin28°=4.60 m/s2 (a) The time taken by the…

Q: A box of mass 37 kilograms is being pushed as constant speed in a straight line across the floor by…

A:

Q: A penguin slides at a constant velocity of 2.54 m/s down an icy incline. The incline slopes above…

A:

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 tourist looks up at a tall obelisk and desires to determine the height of this object. He…

A: Please see the attached image for the solution. If there are queries or if the image is not loading,…

Q: the figure shows a woman pulling a suitcase. the suitcase moves at constant velocity. the rope (…

A:

Q: A constant horizontal force Fa pushes a 7.50 kg FedEx package across a frictionless floor on which…

A: The mass of the package is 7.50 kg.

Q: Problem 2: A runaway train has a mass of 1.5 × 104 kg and a speed of 5 m/s. How much time does it…

A:

Q: You place a crate of mass 25.1 kg on a frictionless 3.17-meter-long incline. You release the crate…

A: Correct option is (b) 21.8 °

Q: with an initial speed of 8.10 m/s stops propelling himself and begins to coast across the ice,…

A:

Q: A frictionless plane is 10.0 m long and inclined at 37.0°. A sled starts at the bottom with an…

A:

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: At a certain mining operation, 2400 kg of gravel falls onto a conveyor belt every minute. If the…

A: Force exerted by the gravel on the belt F=ddtmv=mdvdt+vdmdt=vdmdt             dvdt=0

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

A:

Q: hot air balloon begins to rise from rest. The lift on the balloon due to the buoyant force is 5000…

A:

Q: You place a crate of mass 47.7 kg on a frictionless 3.61-meter-long i to slide down, eventually…

A: The angle of incline is 33. 62° The answer is option (4) approximate 33.8°

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

A:

Q: Three forces act on a particle that moves with unchanging velocity F₁ = (2.3 N )î + (3.8 N )Ĵ +…

A: We are given 3 forces. We are given that these 3 forces are acting on particle. They are acting such…

Q: A woman pulls a cloth out from under a 200 g bowl sitting on a table. The bowl is 30.0 cm from the…

A:

Q: A mover has to move a heavy sofa of mass 118 kg to the second floor of the house. He uses a rope to…

A: Given data:  Mass (m) = 118 kg Angle (θ) = 30.0°,above the horizontal Acceleration (a) = 0.700 m/s2…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –