Abdurhman

Most popular questions and responses by Abdurhman
1. Physics

Many astronomers argue that the Earth and Moon should be considered a double planet,since the gravitational force by the sun on the Moon is approximately as big as that by the Earth on the moon.Using the data below for the Earth and Moon at the particular

2. Physics 20 Gravity

The kepler mission has recently discovered a number of rocky planets around the stars.Suppose one of these planets has a mass of 7.66 x 10^24 kg and radius of 6743 km.What is the acceleration due to gravity(that is gravitational field) on the surface of

3. Physics 20 Energy

A 85kg skydiver falls from an altitude of 3.5 X 10^3 M to an altitude of 1.10 X 10^3 m at constant speed.What is her change in potential energy?

4. Physics 20

Astronomers launch a satellite to explore a nearby asteroid that has come dangerously close to the earth.The satellite begins orbit around the earth,with an orbital radius 6.85 X 10^3 Km, before being moved to an orbit about the asteroid with a period of

5. Physics 20

An athlete runs at a speed 5 m/s.How fast must he run to have 2.5 times the kinetic energy that he does at that speed?

6. Physics 20

Astronauts in orbit appear to be 'weightless'.Suppose an astronaut with a mass of 154 KG including gear is in orbit in the space shuttle, a distance of 222 km above the Earth;s surface.Taking the Earth's radius to be 6371km, and its mass to be 5.97 X

1. Physics 20

What did we get for B again final answer ?

posted on January 21, 2017
2. Physics 20

yeah thats what i meant DO you mind answering the other questions i have up :)

posted on January 21, 2017
3. Physics 20

Oh my bad thanks for the support !

posted on January 21, 2017
4. Physics 20

2.71 ?

posted on January 21, 2017
5. Physics 20

So what would the mass of the asteroid be...?

posted on January 21, 2017
6. Physics 20

and B =?

posted on January 21, 2017
7. Physics 20

Thats B only? im so lost be more clear please

posted on January 21, 2017
8. Physics 20

Im having troubles putting it in so A would equal 767km/h?!!?! and B would equal 345 KG!?

posted on January 21, 2017
9. Physics 20

SO A= 222,000Kg?

posted on January 21, 2017