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The weight of an object at the surface of a planet isporportional to the plants mass and inversely porportional to thesquare of the radius of the plane. Jupiter's radius is 11 timesEarth's and its mass is 320 time Earth's. An apple weighs 1.0 N onEarth. How much would it weigh on Jupiter?
A monkey is chained to a stake in the ground. The stake is 2.72 m from a vertical pole, and the chain is 3.82 m long. How high can the monkey climb up the pole
Some bacteria are propelled by biological motors that spin hair-like flagella. What is the angular speed (the magnitude of the angular velocity) of this bacterial motor
In a model AC generator, a 505 turn rectangular coil 7.0 cm by 20 cm rotates at 124 rev/min in a uniform magnetic field of 0.56 T. What is the maximum emf induced in the coil
The two stars in a binary star system have masses 1.9 x 10^30kg and 6.1 x 10^30kg. What is the speed of the heaviest star
A rock is tossed straight up with a speed of 29 m/s. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole
Calculate the verage speed and time lead by the runner using the definition of average speed.
A tennis player recieves a shot with the ball (.06 kg) travling horizontally at 50 m/s, What work does the raquet do on the ball
The height of a helicopter above the ground is given by h = 3.10t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
A certain car battery with a 12.0 V emf has an initial charge of 178 A•h. assume that the potential across the terminals stays constant until the battery is totally discharged, for how long in hours can it deliver energy at the rate of 115 W.
define the initial velocity of the ball.
A rocket is used to place a synchronoussatellite in orbit about the earth. What is the speed of the satelliet in orbit
consider the bohr model of the one ecectron atom Be+3, calculate the radius,in nm,of ground state orbital
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