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The space shuttle is in a 300-mile-highorbit. Calculate:
1. What is the shuttle's orbital period?(in minutes)
2. What is the shuttle'sorbital speed?(in m/s)
a proton accelerates from rest in a uniform electric field of 640 nc. at some later time its speed is 1.20x106 ms. find
Consider an idealgas at 27 degrees C and1.00 atm pressure. Imaginethe molecules to be, on average, uniformly spaced, What is the length of an edge of each small cube
A 4.3-m long plank with a weight of 164 N is place on a dock with 1.4 m of its length extended over the water. How far from the edge of the dock can the boy move until the plank is just on the verge of tipping
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire
Two point charges each have a value of 30.0 mC and are separated by a distance of 4.00 cm. What is the electric field midway between the two charges
a 0.50shy-microf capacitor is being charged in a circuit. an ammeter in the circuit reads 1.5 a. what is the
how far from the edge f the dock can theboy move until the plank is just on the verge of tipping? Explain how can the boy test this conclusion without falling in the water?Explain
A professional golfer is examining a video of a practice swing. The high-speed footage shows that his club is in contact with the ball (which was initially at rest on the tee) for only 0.471 milliseconds, and the radar gun clocks the speed of the ..
The soccer goal is 21.78 m in front of a soccer player. She kicks the ball giving it a speed of 18.69 m/s at an angle of 25.43 degrees from the horizontal. find the speed of the ball just as it reaches the goalie
A solenoid is constructed with a total of 1500 turns wound around a length of 25 cm. A constant current of 1.7 A flows through the solenoid. Calculate the magnetic force on the proton
an object that is launched straight up from the ground reaches a maximum height h and falls straight back down to the
The mass of the moon os 7.3*10^22 kg and its radius is 1.74*10^6m. What is the acceleration due to gravity on the surface of the moon? What is the weight of an astronaut if his mass is 75kg?
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