Level III: Newton's Law Both masses start from rest and m, falls a height h to...
Mass M_2 starts from rest and falls a height H. Mass M_1 is attached by a rope to mass M_2. The rope goes over a massless and frictionless pulley. Assume the rope is massless and does not stretch. The coefficient of kinetic friction mu k exist between M_1 and the table. Determine the acceleration of M_1 after M_2 is released Determine the time it takes M_2 to fall to the ground. Determine the velocity of M_1 as M_2 hits the...
A cannonball is fired horizontally from the top of a cliff. The cannon is at height H = 70.0m above ground level, and the ball is fired with initial horizontal speed v0. Assume acceleration due to gravity to be g = 9.80m/s2 . Part A Assume that the cannon is fired at time t=0 and that the cannonball hits the ground at time tg. What is the y position of the cannonball at the time tg/2? Answer is 52.5 Part...
1. A projectile is launched horizontally from a height above level ground of 3 m. When it hits the ground, it's horizonta displacement from the launch point is 7 m. a. b. How much time does it spend in flight? With what speed was it launched? Suppose the projectile were now launched from the same point at an angle of 45 above the horizontal. a. b. How much time does it spend in the air? What is its horizontal displacement...
A 2.00-kg-box, starting from rest, slides down a frictionless
incline. The incline makes and angle of ? = 30? from the horizontal
and is fixed to a table. The incline has a maximum height of h =
0.500 m above the table that is itself H = 2.00 m above the ground.
(a) Find the accleration of the box during the sliding period. (b)
What is the velocity of the box as it leaves the table. (c) What
horizontal distance...
A cannonball is fired horizontally from the top of a cit. The cannon is at height = 600 m above ground level and the ball is fired with initial horizontal speed to. Assume acceleration due to gravity to be 9 9.80 m/s - Part A . What is the position of the Assume that the cannon is fired at time t = 0 and that the cannonball hits the ground at time cannonball the time 27 Answer numerically in units...
A block of mass m 2.00 kg is released from rest h 0.800 m from the surface of a table, at the top of a 25.0° inclinc as shown in Figure P5,58. The frictionless inclinc is fixed on a table of hcight H-2.00 m Figure P5.58 a) Dctermine the acccleration of the block as it slides down the inclinc. m/s2 b) What is the velocity of the block as it leaves the incline? (c) How far trom the table will...
Two masses are connected by a light string passing over a light frictionless pulley. The 5.00 kg mass is released from rest at a height of h = 4.00 m above the horizontal floor below. (a) Using the law of conservation of energy, determine the speed of the 3.00 kg mass just as the 5.00 kg mass hits the ground. (b) Use one of the sense-making techniques to analyze your solution to part (a). Clearly state which technique you’re using...
question 3 please under problems
the cat measured along the ground. Also, determine the total flight time of the cat from launch to impact. Finally, determine the impact velocity of the cat with the ground. Newton's Laws: Questions: 1. If an automobile moving along a road at constant velocity experiences a force of 400 N in the forward direction, how much frictional force opposes the car's motion? Explain briefly. Problems: 1. (00) A 52 g bullet is fired horizontally from...
1. Three blocks with masses m1 = 5.00 kg, m 2 = 10.0 kg, and ,n3 15.0 kg are connected by massless strings which run over two frictionless pulleys. Block 1 sits on a highly polished plane inclined at an angle θ-30.0° above the horizontal. The coefficient of friction between block 1 and the plane is μk1 = 0.200, Block 2 sits on a horizontal surface and the coefficient of friction between block 2 and the surface is Alk2 =...