
The length s AB of the ramp is 0.92m
It requires 14 J of work is needed to push a 3.2-kg object from point A...
An object with a mass, m = 5 kg, is released from rest at the top of the ramp. The length of the ramp is 2.3 m. The object slides down the ramp reaching a speed of 2.1 m/s at the bottom. a) If the friction force between the ramp and the object is 3 N, find the angle between the ramp and the horizontal theta (in degrees). b) What speed (in m/s) does the object reach at the bottom...
Do the two questions pls step by step work
33. (II) One 3.2-kg paint bucket is hanging by a massless cord from another 3.2-kg paint bucket, also hanging by a mass- less cord, as shown in Fig. 4-37. (a) If the buckets are at rest, what is the tension in each cord? (b) If the two buckets are pulled upward with an acceleration of 1.25 m/s2 by the upper cord, calculate the tension in each cord FIGURE 4-37 Problems 33...
The figure below shows an object with a mass of m = 7.40 kg that starts from rest at point A and slides on a track with negligible friction. Point A is at a height of 5.90 m, point B is at a height of 3.2 m, and point C is at a height of 2.0 m. (a) What is the object's speed at 3.2 m (in m/s)? What is the object's speed at 2.0 m (in m/s)? (b) What...
What is the minimum work needed to push a 1075 kg car 330 m up along a 17.5° incline? (a) Ignore friction. J (b) Assume the effective coefficient of friction retarding the car is 0.20? J
A 3.2 kg plant is hanging 35 cm from the ceiling of a porch from 2 thin chains whose anchor points on the ceiling are 90 cm apart. The chains are the same length and connect to the plant at the same point. A. What angle(s) do the chains make with the ceiling? B. Draw the free body diagram for the plant. Write out the Newtons’ 2nd law equations for the plant. C. What is the tension in the chains?
A 0.60 kg object travels from point A to point B. If the speed of the object at point A is 5.0 m/s and the kinetic energy at point B is 8.0 J, determine the following. (a) the kinetic energy (in J) of the object at point A J (b) the speed (in m/s) of the object at point B m/s
A bead of mass m = 6.20 kg is released from point A and slides on the frictionless track as shown in the figure below. The height of A is ha = 6.30 m. (a) Determine the bead's speed at points B and C. point B m/s point C m/s (b) Determine the net work done by the force of gravity in moving the bead from A to C. J
8.2
A block of mass m = 5.10 kg is released from rest from
point and slides on the
frictionless track shown in the figure below. (Let
ha = 7.40 m.)
(a) Determine the block's speed at points and .
vB
= m/s
vC
= m/s
(b) Determine the net work done by the gravitational force on the
block as it moves from point to point
.
J
A bead of mass m = 7.0 kg is released from point
A, where H = 7.2 m and slides on the frictionless
track shown in Figure P5.30. Determine (a) the bead's speed at
point B. (in m/s) Determine (a) the bead's speed
at point C. (in m/s) Determine the net work done by the force of
gravity in moving the bead from A to C.
(in J)
A block of mass m = 6.20 kg is released from rest from point and slides on the frictionless track shown in the figure below. (Assume ha = 6.10 m.) Determine the block's speed at points and point m/s point m/s Determine the net work done by the gravitational force on the block as it moves from point to point J