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Which of the following are types of electromagnetic radiation? (Check ALL that apply) Sound Radio waves Gamma rays Infrared X-Rays Visible light Pressure waves
a proton moves vertically upward perpendicular to a uniform magnetic field and deflects to the right as you watch it. What is the direction of the magnetic field
An ideal gas is enclosed in a cylinder that has a moveable piston on top. The piston has a mass of 6200 g and an area of 5 cm2 and is free to slide up and down.
A child in a swing starts from rest, while pulled back at an angle of 30 degrees from vertical. Determine the velocity of the boy just before he hit the ground
A 140g arrow is shot vertically from a bow whose effective spring constant is 500 N/m .If the bow is drawn 60cm before shooting the arrow, to what height does the arrow rise
You hit a golf ball at a 61 degree angle, and it lands 120 m away, and 9 m down in a hole from it's original Y position. Find initial velocity and the maximum height
question1a woman is reported to have fallen 178 ft from a building landing on a metal ventilator box that she crushed
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 55.0 m/s, What work does the racquet do on the ball
You have a mass of 87 kg and are on a 50-degree slope hanging on to a cord with a breaking strength of 221 newtons. Illustrate what must be the coefficient of static friction to 2 decimal places between you and the surface for you to be saved fro..
A 2.9-kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. Determine the initial speed the box would need in order to compress the spring by 1.2 cm
What is the power output in horsepower of an electric motor turning at 4550rev/min and developing a torque of 4.75N, Calculate the angular momentum of a solid uniform sphere
q1. an archer shoots an arrow with a velocity of 45.0ms at an angel of 50.0 with the horizontal. an assistant standing
Three resistors, 23, 45, and 73 ?, are connected in series, and a 0.55-A current passes through them. (a) What is the equivalent resistance? (b) What is the potential difference across the three resistors?
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