Jupiter has a mass of 1.90 x 1027 kg. the semi-major axis of its orbit is 7.78 x 1011. Th radius of the planet is 7.14 x 107 m. Io, one of jupiter's moons, orbits at a distance...
Jupiter has a mass of 1.90 x 1027 kg. the semi-major axis of its orbit is 7.78 x 1011. Th radius of the planet is 7.14 x 107 m. Io, one of jupiter's moons, orbits at a distance...
Physics question. How many kilometers would you have to go above the surface of the earth for your weight to decrease to 51{\rm \\%} of what it was at the surface?
Joey weighs 600 N on earth (that is, the force of gravity pulling down on him is 600 N). Some strange and inexplicable things begin happening to the earth. Let the radius of the earth be Re and its...
A space vehicle is traveling at 4220 km/h relative to Earth when the exhausted rocket motor is disengaged and sent backward. The relative speed between the motor and the command module is then 93...
Joey weighs 600 N on Earth (that is, the force of gravity pulling him down is 600 N). Some strange and inexplicable things begin happening. Let the radius of the earth be Re, and its mass Me (e is...
A 4.30 g bullet moving at 717 m/s strikes a 630 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 472 m/s. (a) What is...
In tae-kwon-do, a hand is slammed down onto a target at a speed of 14 m/s and comes to a stop during the 7.0 ms collision. Assume that during the impact the hand is independent of the arm and has...
a) A man weighing 785 N lies on a bed of nails. Find the average pressure exerted by a nail on his skin if there are 1060 nails and the flattened point on each nail has a radius of 0.500 mm. (b)...
The question is: A wheel starts from rest and in 10.65 s is rotating with an angular speed of 5.210 π rad/s. a.)Find the magnitude of the angular acceleration of the wheel. b...
A pressure cooker is a covered pot sealed everywhere except for a small circular opening in the top. A small weight placed over this opening determines the pressure at which steam is released from...
The moon is revolving around the earth at about 1 rev per 27.3 days. Assume that the average radius of the moon is 1,080 miles and the average distance from the earth to the moon is 238900 miles,...
Suppose a gas of 2D atoms is trapped inside a square of area A. What is the expression for the work done on the system as the area of the square changes?
PLEASE HELP ME!!! i have a physics test tmro!!!
test tmro pls help
I need to know if it is or isn't and the reason why or why not.
a. What force does the Earth exert on the astronaut? b. What is the velocity of the astronaut? c. How long will it take the astronaut to orbit the earth? d. Would your answers to a-c change...
An airplane travels 78 m/s as it makes a horizontal circular turn which has a(n) 2.3 km radius. a) What is the magnitude of the resultant force on the 58 kg pilot of this airplane? b) Find...
A girl sits on a tire that is attached to an overhanging tree limb by a rope. The girl’s father pushes her so that her centripetal acceleration is 2.5 m/s2. If the length of the rope is 2.9 m, what...
A young boy swings a yo-yo horizontally above his head so that the yo-yo has a centripetal acceleration of 220 m/s2. If the yo-yo’s string is 0.97 m long, what is the yo-yo’s tangential speed?
A sock stuck to the side of a clothes-dryer barrel has a centripetal acceleration of 22 m/s2. If the dryer barrel has a radius of 35 cm, what is the tangential speed of the sock?