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Can you please do these questions for me? On the way to the moon, the Apollo astronauts reach a point where the Moon's gravitational pull is stronger than that of Earth's. Find the distance of this point from the center of the Earth. The masses of the Earth and the Moon are 5.98 × 1024 kg and 7.36 × 1022 kg, respectively, and the distance from the Earth to the Moon is 3.84 × 108 m. Answer in units of m.
What would the acceleration of the astronaut be due to the Earth's gravity at this point if the moon was not there? The value of the universal gravitational constant is 6.672 × 10-11 N · m2 /kg2 . Answer in units of m/s 2.
A friend speeds by you in her spacecraft at a speed of 0.770 c. It is measured in your frame to be 4.30m long and 1.50m high. How many seconds elapsed on your watch when she saw 22.0s pass on hers
A car travels along a road at an average speed of 40km/h andreturns along the same road at an average speed of 60km/h. Calculate the average speed for the round trip
a 65 rm kg student is standing atop a spring in an elevator that is accelerating upward at 3.0rm mrm s2. the spring
Giancoli, page 30 --when they say that x-xo increases with the square of the initial speed. Why do they say square of initial speed only, what about square of final speed? And why do they ignore that the distance also decreases by a factor of 2.
A ferrari race car on the straight road starts from rest, accelerating at 2.00 m/s^2 until it reaches a speed of 20.0m/s. Then the car travels for 20.0 s at the constant speed until the brakes are applied, stopping the truck in a uniform manner in an..
A particle of mass m kg is attached to one end A of a model spring OA of natural length L0 = 1.05 m and stiffness K N/m. The spring is hung vertically with the end O fixed and end A attach to the particle, which moves in a vertical line.
A slingshot consists of a light leather cup, containing astone, that is pulled back against two parallel rubber bands. Ittakes a force of 15 N to stretch either one of these bands 1.0cm.
What is the magnitude of vertical component of its velocity as it strikes the ground.
A car moving with constant acceleration covered the distance between two points 59.5 m apart in 5.87 s. What was the speed at the first point
The speed of light is 1.10 times as large in material A than in material B. Determine the ratio na/nb of the refractive indices of these materials
A plane wave of unknown frequency is normally incident in air upon the surface of a perfect conductor. Using an electric- field meter, it was determined.
q1. a sealed bottle has water in it and two tubes enter the bottle through the seal. tube b is attached to a pump at
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