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An airplane, diving at an angle of 53° with the vertical, releases a projectile at an altitude of 730 m. The projectile hits the ground 3.27 s after being released. What is the speed of the aircraft?
How far did the projectile travel horizontally during its flight?
What was the horizontal component of its velocity just before striking the ground?
What was the vertical component of its velocity just before striking the ground?
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the metal pendulum
q1. a point charge is distance from the center of the dipole consisting of charges separated by distance. the charge is
Calculate the mass of a solid gold rectangular bar with dimensions 3.50 cm x 14.0 cm x 27.0 cm. Density of gold is 1.93E4 kg/m^3
Treat a cell in a human as a sphere of radius 1.0 µm. What's the volume of the cell
A 120cm3 box contains helium at a pressure of 1.50atm and a temperature of 80.0?C. What is the initial thermal energy of each gas
define the magnitude of the torque on the dipole.
A wheel 90.0 cm in diameter accelerates uniformly from 235 rpm to 385 rpm in 6s. How far will a point on the edge of the wheel have travelled in this time.
A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop with a radius of 25 cm. Find the average electrical power dissipated in the process
A 10kg mass that is moving at 15m/s hits a stationary 10kg mass. The collision is elastic. what is the total momentum BEFORE the collision
After falling from rest from a height of 26 m, a 0.5 kg ball rebounds upward, reaching a height of 16 m. If the contact between ball and ground lasted 1.6 ms, Evaluate average force was exerted on the ball?
A fire hose held near the ground shoots water at a speed of 6.2 m/s.At what angle(s) should the nozzle point in order that the water would land 2.5 m away.
Josh starts his sled at the top of a 2.3m -high hill that has a constant slope of 25 ?. How far from the hill does he end up
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