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You throw a ball with a speed of 25m/s at an angle of 40.0° above the horizontal directly toward awall. The wall is 22.0 m from the release point of the ball.
a) How long does the ball take to reach the wall?
b) How far above the release point does the ball hit the wall?
c) What are the horizontal and vertical components of its velocity as it hits the wall?
A spring is standing upright on a table with its bottom end fastened to the table. A block is dropped from a height 3.0 cmabove the top of the spring. The block sticks to the top end of thespring and then oscillates with an amplitude of 10 cm. What i..
The partial pressures of gas A and gas B, respectively, are 0.238 atm and 0.779 atm. If 0.220 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
A certain freely falling object requires 1.56 s to travel the last 37.0 m before it hits the ground. From what height above the ground did it fall.
The pulley of an Atwood Machine has a radius of 0.150 m and a moment of inertia of 0.687 kg m^2. Mass 1 is equal to 19.9 kg and Mass 2 is equal to 15.0 kg. What is the acceleration of Mass 2 and what is the angular acceleration of the pully?
A sphere of radius 3.09 cm and a spherical shell of radius 9.22 cm are rolling without slipping along the same floor. what should the ratio of the sphere\'s angular speed to the spherical shell\'s angular speed be
A beam of laser light with a wavelenth of ? = 690.00 nm passes through a circular aperture of diameter a = 0.133 mm. What is the angular width of the central diffraction maximum
Unpolarized light of intensity I0 is incident on a series of four polarizers, What fraction of the incident light will pass through the series
A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. Find the acceleration of the cart
One side of the roof of a building slopes up at 41.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. find the maximum height the rock reaches above the point where it was kicked
While surveying a cave, a spelunker follows a passage 190{\rm m} straight west, find the magnitude and direction of the fourth displacement
A small mailbag is released from a helicopter that is descending steadily at 2.12 m/s. How far is it below the helicopter
You want a screen to be illuminated with an intensity of 662 mW/m2. The screen is 10.05 m away from the light source, What is the power of the light source
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