You are an astronaut in space far away from any gravitational field, and you throw a rock as hard as you can. The rock will:
slowly slow down and stop
continue at the same speed forever
continue to accelerate at the rate it was when it left your hand
PLZ HELP QUICKLY!
Answers: 2
Physics, 22.06.2019 01:30
Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
Answers: 2
Physics, 22.06.2019 09:30
True or false graphs must include scales that increase by the same amount
Answers: 1
Physics, 22.06.2019 19:30
Amass m = 74 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius r = 18.4 m and finally a flat straight section at the same height as the center of the loop (18.4 m off the ground). since the mass would not make it around the loop if released from the height of the top of the loop (do you know why? ) it must be released above the top of the loop-the-loop height. (assume the mass never leaves the smooth track at any point on its path.) 1. what is the minimum speed the block must have at the top of the loop to make it around the loop-the-loop without leaving the track? 2. what height above the ground must the mass begin to make it around the loop-the-loop? 3. if the mass has just enough speed to make it around the loop without leaving the track, what will its speed be at the bottom of the loop? 4. if the mass has just enough speed to make it around the loop without leaving the track, what is its speed at the final flat level (18.4 m off the ground)? 5. now a spring with spring constant k = 15600 n/m is used on the final flat surface to stop the mass. how far does the spring compress?
Answers: 3
You are an astronaut in space far away from any gravitational field, and you throw a rock as hard as...
Mathematics, 16.10.2020 20:01
Mathematics, 16.10.2020 20:01
Biology, 16.10.2020 20:01
Biology, 16.10.2020 20:01
Mathematics, 16.10.2020 20:01
Mathematics, 16.10.2020 20:01
English, 16.10.2020 20:01
Social Studies, 16.10.2020 20:01