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Q: 13kg mass is pushed at constant speed across level ground. What is thevalue of the push if the…
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Q: Explain why a horse cannot pull a cart and run it in empty space?
A: The horse, in order to pull the cart, pushes the earth using its feet. The reaction of earth makes…
Q: A stone of mass (20 kg) is located on the slope of a hillslope of an angle of (30°). If a wind force…
A: Let m denotes the mass of the stone which is given as 20 kg. Consider θ is the angle made by slope…
Q: Aforce of 109N is used to accelerate a block of icewith a weight of 614N along a horizontal surface…
A: Solution as
Q: A child pushes on a toy wagon with a net force of 20.0N. the wagon accelerates from a speed of…
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Q: A roller-coaster vehicle has a mass of 470 kg when fully loaded with passengers (see figure). 10 m…
A:
Q: 45 20 T2 |Tэ
A: Consider the given diagram.
Q: A (cord tensions) Ста 40° B (no friction MK = 0.35 мк с = 4 lb W₁ = 4 16 B W = 16 16 Three blocks…
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Q: A boy coasts down a hill ona sled, reaching alevel surface at the bottom With a speed of 7.7 m/s .…
A: initial velocity (u) = 7.7 m/s final velocity (v) = 0 m/s weight = 620 N coefficient of friction =…
Q: A box weighing 10,000 kg is to be loaded on a 18-wheeler truck 5.0 ft high by means of a plank that…
A: Relevant theory: According to Newton's second law, the acceleration of an object is directly…
Q: All forces require an input o
A: All forces require energy. A force requires two important properties that are magnitude and…
Q: If it takes a human cannonball 1.8s to exit a 1.9m long cannon and the average net force acting on…
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Q: A 13kg mass is pushed at constant speed across level ground. What is the value of the push if the…
A: mass = 13 coefficient of friction = 0.3frictional force = coefficient of friction * weight = 0.3 *…
Q: an old rope can only safely suspend 120 kg. The old rope losses 20 kg of holding strength per minute…
A:
Q: A worker walks up the sloped roof that is defined by the curve y = (5e0.01x) ft, where x is in feet.…
A: Given: A worker walks up the sloped roof that is defined by the curve y = (5e0.01x) ft, where x is…
Q: gymnast is attempting to perform splits As she does this, you can assume that the force between her…
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Q: A Toller-coaster vehicle has a mass of 490 kg when fully loaded with passengers (see figure). 15 m…
A: To solve this problem we have to balance the forces acting on the vehicle. The forces are normal…
Q: A 34.0-g ice cube floats in 234 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…
A: Given mass of ice cube mi=34gmass of water mw=234g
Q: 0 kg box sits on a level surface where the coefficient of static friction is 0.3. what is the…
A: Given Mass of box, m=70 kgcoefficient of static friction μs=0.3Angle, θ=55°
Q: 10) Take a look at the picture below. The mass is fire up along the inclined plane. Sometime later…
A: Let initial velocity be v Therefore, the final velocity will be v4 Given angle θ is 37.1o Let the…
Q: A roller-coaster vehicle has a mass of 565 kg when fully loaded with passengers (see figure). 10 m…
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What average net thrust must a 17 ton airplane have to reach an altitude of 5000 ft and speed of 600 mi/h at an airplane distance of 10 mi fromits starting point?

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- When landing from a vertical leap, a 549 N dancer decreases her vertical velocity from -5.9 m/s to -1.23 m/s, while lowering her center of mass a distance of 0.18 m over 0.04 s. Calculate the average force applied by the dancer.(b) Evaluate the support reactions forces of the loading diagram shown in Figure Q5(b) 80KN 20KN 5m 3m 2m RA RD Figure Q5(b)I need help with this question please.