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You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1490N will move with speed 1.8m/s at the top of a ramp that slopes downward at an angle 25.0?. The ramp will exert a 629N force of kinetic friction on each crate, and the maximum force of static friction also has this value. At the bottom of the ramp, each crate will come to rest after compressing a spring a distance x. Each crate will move a total distance of 7.9m along the ramp; this distance includes x. Once stopped, a crate must not rebound back up the ramp.
a- Calculate the maximum force constant of the spring kmax that can be used in order to meet the design criteria.
When yellow light from a sodium lamp shines on a certain photocell, What potential would be needed to stop the electrons if light with 4000 A is used
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Illustrate what elements of the marketplace in which Mega Tech operates led the organization to believe that project management would improve its operations?
For a short time, the path of the plane is described by If the plane is rising with a constant velocity of 10 m/s, determine the magnitudes of the velocity and acceleration
When lifting an object using the biceps muscle, the forearm acts as a lever with the fulcrum at the elbow. The input work is provided by the biceps muscle pulling up on the bone. How much force should the biceps exert to lift an object weighing 12..
Explain what was observed with the horizontal motion of the man and the boat in terms of Newton's Laws of Motion.
Suppose that the displacement of an object is related to time according to the expression x = Bt2. What are the dimensions of B?
If the string is 9.50 m long, has a mass of 55g and is pulled taut with a tension of 9.5 N, how much time does it take for a wave to travel from one end of the string to other.
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. Illustrate what force does the block exert on the bullet? What is the time it takes?
If the projectile rises to a maximum height of only 10.2 m, identify the magnitude of the average force due to air resistance.
On a hot summer afternoon, Keith is out fishing in a rowboat when he decides to jump into the water and go for a swim, what is its velocity in the opposite direction after he jumps
A charge of -6 nC is at the origin and a second charge of 11.0 nC is at x = 5.0m. Find the magnitude and direction of an electric field halfway in between the two charges.
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