subject
Physics, 13.10.2020 21:01 TravKeepIt100

A sphere of mass 40 kg is attracted by another sphere of mass 15 kg with a force of 9.8×10 power -7 N. Find the value of the universal gravitational constant if the centres of spheres are 20cm apart [ Take g=10m/s square and G=6.67×10 power-7 Nm square kg -square

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 06:00
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
Answers: 1
question
Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
Answers: 3
question
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
question
Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
You know the right answer?
A sphere of mass 40 kg is attracted by another sphere of mass 15 kg with a force of 9.8×10 power -7...
Questions
question
Physics, 04.06.2021 02:20
question
Mathematics, 04.06.2021 02:20
question
Chemistry, 04.06.2021 02:20
Questions on the website: 13722367