3. Consider the figure below. Mass m, is initially moving down the ramp. 1 coefficient of...
3. Consider the figure below. Mass m, is initially moving down the ramp. There is a coefficient of kinetic friction of 0.25 for all surfaces. ma If mA- 5.40 kg, m 8.60 kg, and 0-30.0 a. Calculate the magnitude of the acceleration of block ma? b. Is block ma speeding up, slowing down, or moving at constant speed? Explain c. Calculate the tension in the cord?
A block of 3 kg is moving up on a ramp (by initial push). The angle of the ramp is 40 degrees. The coefficient of kinetic friction is 0.25. Calculate the acceleration of the object.
below. Consider the system below. The pulley is massless and frictionless, and the string is massless. The mass of each block is ma = 5.0 kg, mo = 2.0 kg, mc = 4.0 kg, and md = 15.0 kg. The coefficient of kinetic friction is 0.35 for all surfaces. Mass mais initially in motion moving downward. a b с d a. Calculate the acceleration of the system? b. Calculate the tension in the string between block c and block d?...
A m = 10.0 kg box slides down a d = 00 m long ramp that is raised h = 0 .500 m above the ground (thus the ramp has a θ = 30.0⁰ incline). Assuming the ramp has a coefficient of kinetic friction of µk = 0.200 and the box is initially at rest, what is the final speed of the box when it makes it to the bottom of the ramp? [2.53 m/s] V = 0 d =...
Th figure below shows a mass m=1.0 kg which is initially moving with speed v=7.2 m/s at the top of a frictionless hill of height h=4.9 m. It slides down the hill until it encounters a flat section with unknown coefficient of kinetic friction µk. If the object travels a distance D=11.1 m before reaching a speed of v/2, what is the coefficient of kinetic friction µk? (use picture, but first question) Th figure below shows a mass m=1.0 kg...
Block A in the figure (Figure 1) has a mass of 3.50kg , and block B has mass 12.0kg . The coefficient of kinetic friction between block B and the horizontal surface is 0.35. A) What is the mass of block C if block B is moving to the right and speeding up with an acceleration 3.00m/s2 ? B) What is the tension in each cord when block B has this acceleration?
2. Mass mi -10.0 kg is initially held against the spring of spring constant k-100 N/m. The spring is compressed a distance x 0.45 m. When released, m is fired towards a block of mass m2-4.4 kg initially at rest at the edge of a horizontal, frictionless table of height h-0.75 m. A ramp is placed at the end of the table. The ramp has a coefficient of kinetic friction μ.-0.25 and is a distance d-1.06 m long. The blocks...
The figure below shows a mass m=1.0 kg which is initially moving with speed v=6.7 m/s at the top of a frictionless hill of height h=4.9 m. It slides down the hill until it encounters a flat section with unknown coefficient of kinetic friction µk. If the object travels a distance D=10.8 m before reaching a speed of v/2, what is the coefficient of kinetic friction µk? ✓ -D h
Two blocks, connected together by a thin but strong cord, are placed on a ramp as shown in the figure. The angle of the ramp is ?=30 degrees , the masses of the blocks are mA = 1.00kg and mB = 2.00kg, and the coefficient of static and kinetic friction between boxes and ramp are µs = 0.500 and µk = 0.200. The gravitational acceleration is 9.8m/s2 . The mass of the cord is negligible. The cord does not stretch...
Th figure below shows a mass m=1.0 kg which is initially moving with speed v=6.8 m/s at the top of a frictionless hill of height h=3.7 m. It slides down the hill until it encounters a flat section with unknown coefficient of kinetic friction µk. If the object travels a distance D=11.6 m before reaching a speed of v/2, what is the coefficient of kinetic friction µk? D— h