A copper block of mass m, is launched into the air with a speed v, and an angle A. As shown in the figure below, an applied force Facts parallel to the incline to push their pair of blocks until m, is in the air. The mass of the other block is m; and the height at which m, is launched into the air is h. Use the following values: m, = 4.000 kg, m, = 2.000 kg. A = 25.000 degrees, v; = 7.500 m/s, h = 1.500 m, µ, = 0.5500 and 4 = 0.3000. (a) Draw a FBD of the block m , assuming the applied force is pushing it up the incline. (b) The blocks are pushed by the applied force F for 1.650 s before m is launched. If the blocks start from rest, what is the magnitude of their acceleration while being pushed? (the time starts when the blocks start moving) (c) What is the magnitude of the applied force F needed to launch m, at a speed of v, in 1.650 s when the blocks start from rest? (Assume that the magnitude of Fis large enough to start the blocks moving from rest.) (d) What is the velocity of m2 at its peak height after being launched? (e) How far from the edge the incline does m, land on the ground? (What is the horizontal distance?)
A copper block of mass m, is launched into the air with a speed v, and an angle A. As shown in the figure below, an applied force Facts parallel to the incline to push their pair of blocks until m, is in the air. The mass of the other block is m; and the height at which m, is launched into the air is h. Use the following values: m, = 4.000 kg, m, = 2.000 kg. A = 25.000 degrees, v; = 7.500 m/s, h = 1.500 m, µ, = 0.5500 and 4 = 0.3000. (a) Draw a FBD of the block m , assuming the applied force is pushing it up the incline. (b) The blocks are pushed by the applied force F for 1.650 s before m is launched. If the blocks start from rest, what is the magnitude of their acceleration while being pushed? (the time starts when the blocks start moving) (c) What is the magnitude of the applied force F needed to launch m, at a speed of v, in 1.650 s when the blocks start from rest? (Assume that the magnitude of Fis large enough to start the blocks moving from rest.) (d) What is the velocity of m2 at its peak height after being launched? (e) How far from the edge the incline does m, land on the ground? (What is the horizontal distance?)
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A copper block of mass m, is launched into the air with a speed v, and an angle A. As shown in the figure below, an applied force Facts parallel to the incline
to push their pair of blocks until m2 is in the air. The mass of the other block is m, and the height at which m, is launched into the air is h. Use the following
values: m, = 4.000 kg, m2 = 2.000 kg, A = 25.000 degrees, v¡ = 7.500 m/s, h = 1.500 m, µs = 0.5500 and µz = 0.3000.
m2
A
(a) Draw a FBD of the block m;, assuming the applied force is pushing it up the incline.
2.
(b) The blocks are pushed by the applied force F for 1.650 s before mɔ is launched. If the blocks start from rest, what is the magnitude of their acceleration
while being pushed? (the time starts when the blocks start moving)
(c) What is the magnitude of the applied force F needed to launch m2 at a speed of v, in 1.650 s when the blocks start from rest? (Assume that the magnitude
of F is large enough to start the blocks moving from rest.)
(d) What is the velocity of m2 at its peak height after being launched?
(e) How far from the edge the incline does m, land on the ground? (What is the horizontal distance?)
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