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NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's mean radius. The mass of the satellite is 550 kg. (Assume the Earth's mass is 5.97 1024 kg and its radius is 6.38 106 m.)
(a) How long does it take the satellite to go around the Earth once?
(b) What is the orbital speed of the satellite?
(c) How much gravitational force does the satellite experience?
A flea jumps straight up to a maximum height of 0.470 m. What is its initial velocity v_0 as it leaves the ground.
Two particles each have a mass of 6.0 × 10-3kg. One has a charge of +5.0 × 10-6 C, and theother has a charge of -5.0 × 10-6 C. They areinitially held at rest at a distance of 0.80 m apart. Both are the nreleased and accelerate toward each other.
A refrigerator is rated at 450 W.(a) What is the maximum amount of heat it can absorb from the food compartment in 1.00 min if the food compartment temperature of the refrigerator is 0.0°C and it releases heat into a room at 22°C?
The best leaper in the animal kingdom is the puma, which can jump to a height of 11.9 ft when leaving the ground at an angle of 53°. With what speed, in SI units, should the animal leave the ground to reach that height?
Use the data of Table 7.3 to find the point between Mars and the Sun at which an object can be placedso that the net gravitational force exerted by Mars and Sun on this object is zero.
Two masses of 3 kg and 5 kg collide head-on, the former moving to the right with the speed 5m/s, What amount of mechanical energy is lost
A jet transport has a weight of 1.25 x 106 Newton and is at rest on the runway. Calculate the normal force exerted by the ground on the front wheel
a 900-kg car is moving at 33.3 ms. a braking force of -7548 n is applied for 2.70 s. what is the velocity of the car
What is the magnitude
During the investigation of traffic accident police find skid marks90metres long and the final velocity to be zero. Estimate the speedof the car when the brakes were applied
A 2.50 kg object is attatched to a spring and placed on a horizontal, smooth surface. Find the total energy of the oscillating system
A hiker starts at his camp and moves the following distances while exploring his surroundings: 55.0 m north, 2.75x10^2 m east, Find his resultant displacement from camp
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