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A car starts from rest and then accelerates uniformly to a linear speed of 14 m/s in 37 s. If the tires have a radius of 24 cm, what are the magnitudes of the average linear acceleration of a tire, the angular acceleration of a tire, the angular displacement of a tire from t = 0 to 37 s, and the total distance traveled by a point on the edge of a tire? (a) the average linear acceleration of a tire (b) the angular acceleration of a tire (c) the angular displacement of a tire from t = 0 to 37 s (d) the total distance traveled by a point on the edge of a tire (Ignore the linear motion.)
An airplane moves at 120 m/sec to the west with respect to the air. How fast does the airplane move
q1. a cart starts from rest at the top of the tilted track. assume the track is frictionless. the cart passes photo
You are to determine the power rating of the motor in an elevator system. The elevator (with a full load) weights 2000 kg and is required to move upward 3 m/sec at constant speed.
A hypodermic needle consists of the plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of syringe are forced through a hollow needle.
A hydrogen atom is in its second excited state, n=3. Find the total energy of the atom
A 3.5 m long horizontal rod has two forces applied to it. One on the far left corner with a force of 4N at 60 degrees downward, find the magnitude and direction of the force in the pin
Before landing astronauts on the moon, the Apollo 11 space vehicle was put into orbit around the moon. Calculate the ratio of densities (moon to earth)
If you are cruising down the road at 50 mph and a policeman with a radar gun (wavelength 1 cm) reflects radar light off your bumper, what wavelength of radar light does he get back
q1. for years marine scientists were mystified by sound waves picked up by underwater microphones in the pacific ocean.
A diverging lens has a focal length of 15.0cm . For each of two objects located to the left of the lens, determine Wether the image is erect or inverted
A 6.0 kg block of aluminum is heated from 20°C to 90°C at atmospheric pressure. Find the work done by the aluminum
A person in a rocking chair completes 15 cycles in 17s, What are the period of the rocking
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