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A shell is launched at 140m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110m/s 35.0 degrees above the horizontal relative to the shell.
a) find the maximum height about the ground that the projectile reaches.
b) Find its distance from the place where the shell was fired to its landing place when it eventually falls back to the ground.
A sled weighing 1.0 X 10^2 N is held in place on a frictionless 20.0 degree slope by a rope attached to a stake at the top. The rope is parallel to the slope. What is the normal force of the slope acting on the sled.
The ratio of the number of turns in the primary to the number of turns in the secondary of a step-down transformer is 25:1. how much power is delivered to the secondary
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A car is moving at a constant velocity for 3s until it is 3.0 m from a yellow light. It slows to a stop in 2.0s. It remains stopped for 50s and then speeds up for 2s.
The amplitude of an electric field is 0.4 v/m 23 km from a radio transmitter. What is the total power emitted by the transmitter
Jamal pulls a 200N sled up a 28° slope at a constant speed by a force of 100N. Near the top of the hill he releases the sled, With what acceleration does the sled go down the slope
What is a unique characteristic of water between 0 and 4 degrees celcius - Need a question pertaining to heat and temperature dealing of course in physics.
A harmonic wave travels in a wire with amplitude of 3.25 mm, wavelength 2.04 m, and frequency 636 Hz. What is the speed with which the wave travels
10a 40-kg block a is pushed against a horizontal light spring with constant k 40 104 nm. when the spring is compressed
A hollow, thin-shelled ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational
An electromagnet produces a magnetic field of 0.540T in a cylindrical region of radius 2.70cm between its poles. What magnitude of force is exerted on the wire
How much would an 80.0kg person weigh) on mars where an acceleration of gravity is 3.93m/s^2 and (b) on earth's moon where the acceleration of gravity is 1.63m/s^2.
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