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While riding on a Ferris wheel at the state fair, you are seated 10 m from the axis. If you make a complete rotation every minute, what is your linear speed?
Choose one answer.
a. 31.4 m/min.
b. 100 m/min.
c. Need more information.
d. 62.8 m/min.
A five-bladed airplane propeller can be thought of as identical uniform rods protruding radially from its axis. what is its rotational kinetic energy
What was an initial speed of the ball
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.870 m/s encounters a rough horizontal surface of length script l = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.360 and..
A thin, 80.0 g disk with a diameter of 6.00 cm rotates about an axis through its center with 0.300 J of kinetic energy
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the magnitude of the acceleration of a satellite in a geosynchronous orbit
A radio-frequency EM plane wave propagates in the x direction. Your radio gets the best reception when its antenna is parallel to the y-z plane, at a 30° angle to the y axis. Sketch this situation, and indicate the direction of the E and B vectors..
An airplane takes off and flies 240km on a course of 35 degrees north of west, find the displacement from its starting point to its landing point
A device used in radiation therapy for cancer contains 0.29 g of cobalt-60 (59.933 819 u). Determine the activity (in Bq) of the radioactive material
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley, Determine the acceleration of each object
A Mercedes-Benz 300SL (m = 1850 kg) is parked on a road that rises 20° above the horizontal, What is the static frictional force that the ground exerts on the tires
A solid aluminum cylinder with density equal to 2700 kg/m3 has the weight equal to 0.66 N in air and the apparent weight of 0.22 N when immersed in an unknown liquid. What is the density of this liquid
a ball with a mass of 0.73 kg travelling at 4 m/s strikes a second ball elastically at rest with a mass of 0.47 kg what will be the veloity of both object after collision
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