Recent content by knightassassin

Homework Statement The figure below shows a stream of water in a steady flow from a kitchen faucet. At the faucet the diameter of the stream is 1.20 cm. The stream fills a 125 cm3 container in 18.2 s. Find the diameter of the stream 13.0 cm below the opening of the faucet. (The answer should...

what does m stand for?

whoops, sorry I forgot that part a) Determine the speed of the satellite. b)Determine the time interval required to complete one orbit around the Earth.

Homework Statement The astronaut orbiting the Earth in Figure P4.32 is preparing to dock with a Westar VI satellite. The satellite is in a circular orbit 700 km above the Earth's surface, where the free-fall acceleration is 8.12 m/s2. Take the radius of the Earth as 6400 km. 2. Relevant...

however this is not right? what am I doing wrong?

-9200m/s^2

so would Aave=-21-25/0.005=-9200

So would one of the velocities be negative. So would it be +25 and -21, and t=0.005?

A 50.0 g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 21.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 5.00 ms, what is the magnitude of the average acceleration of the ball during this time interval? (Note: 1 ms = 10-3...

The answer I got was 5.4 cm, which is right thanks again.

Thanks I got it. So I set the two relations equal to each other m1/v1=m2/v2. Substitute volume for their equation of (4/3)pi radius^3 and solve for r2.

Volume equals (4/3)pi radius^3

Two spheres are cut from a certain uniform rock. One has radius 4.30 cm. The mass of the other is two times greater. Find its radius. Not sure what equations to use for it I am not sure how to attempt this problem?