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A projectile is launched straight up at 59 m/s from a height of 73 m, at the edge of a sheer cliff. The projectile falls, just missing the cliff and hitting the ground below.
(a) Find the maximum height of the projectile above the point of firing.
(b) Find the time it takes to hit the ground at the base of the cliff.
(c) Find its velocity at impact.
A 68-kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.11. What would be the magnitude of acceleration.
A cubical block of wood 10cm on a side, floats at the interface between oil and water with its lower surface 1.50 cm below the surface
Two crates, of mass 75.0 kg and 109 kg, are in contact and at rest on a horizontal surface. A 732 N force is exerted on the 75.0 kg crate. What is the force the each crate exerts on the other.
Find the coefficient of friction between ax and grindstone.Two negative point charges are separated by 20 rm cm and feel a mutual repulsive force of 3.35 mu N. The charge of one is three times that of the other. How much charge does each have.
A 13kg box slides 4 m down the frictionless ramp , then collides with a spring whose spring constant is 180Nm.
Two spherical objects with a mass of 6.86 kg each are placed at a distance of 3.06 m apart. How many electrons need to leave each object so that the net force between them becomes zero?
What is the horizontal component of velocity
A ferrari race car on the straight road starts from rest, accelerating at 2.00 m/s^2 until it reaches a speed of 20.0m/s. Then the car travels for 20.0 s at the constant speed until the brakes are applied, stopping the truck in a uniform manner in an..
A spherical shell 28 in diameter carries a total charge of 81 distributed uniformly over its surface. A 4 point charge is located at the center of the shell. What is the electric field strength 8 from the center.
Calculate the velocity of the object for an elapsed time.
Physics - Classical Mechanics : explained, A student could either pull or push, at an angle of 300 from the horizontal, a 50-kg crate on a horizontal surface, where the coefficient of kinetic friction between the crate and surface is 0.20. The cra..
A 36.0 g bullet moving at 478 m/s strikes a 3.7 kg bag of flour that is on ice, at rest. The bullet passes during the bag, leaving at 255 m/s. How fast is the bag moving when the bullet exits.
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