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A projectile is fired horizontally from a gun that is 41.0m above flat ground. The muzzle velocity is 260 m/s.How long does the projectile remain in the air?
At what horizontal distance from the firing pointdoes it strike the ground?
What is its speed as it strikes the ground?
Her speed when she is above the bar is 1.3 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and find out her altitude as she crosses the bar.
a 5kg Potter's wheel (model as a disk) with radius 0.3m is spinning at 5 rad/s. what is the mass of the clas
You are standing on a large sheet of frictionless ice and are holding a large rock. If your mass is 75.0kg and the rock's mass is 14.3kg, what is your speed after you throw the rock
A sphere of copper is subjected to 81.1 MPa of pressure. The copper has a bulk modulus of 130 GPa. By what fraction does the radius of the sphere change
Consider a cylindrical shell of inner radius a = 1.10 cm, outer radius 2a, and length L = 2.05 m. This cylinder has a total charge Q = 138 nC. Find the potential difference between the inner and outer surfaces of the cylindrical shell
A block of mass m = 15.5 kg rests on an inclined plane with a coefficient of static friction of ?s = 0.13 between the block and the plane. What is the force of gravity along the plane
A convex mirror has a radius of curvature of 89 cm. An image is produced 40 cm in front of the mirror. Where is the object
In a loop-the-loop ride a car goes around a vertical, circular loop at a constant speed. The car has a mass m = 222.0 kg and moves with speed v = 16.16 m/s. What is the minimum speed of the car
A 10cm long animal tendon was found to stretch3.8mm by a force of13.0N. The tendon was approximately round with an average diameter of 8.0mm
The acceleration of gravity at the surface of the moon is approximately 1/6 that at the surface of the earth (9.8 m/s2). What is the weight of an astronaut standing on the moon
If the angular magnification of an astronomical telescope is 38 and the diameter of the objective is 66 mm, what is the minimum diameter of the eyepiece
An object with a mass of m = 5.5 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.275 m and mass of M = 3.00 kg. compute the magnitude of the acceleration of the object
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