In raising a 3000-n with a pulley system, it is noted that for every 2 m of rope pulled down, the rises 0.2 m. ideally, what force is needed to lift the? a 150 n

If the current in the circuit above is 10 amps and the resistance is 3 ohms, what is the voltage?

A boy throws a rock with an initial velocity of 2.15 m/s at 30.0° above the horizontal. If air resistance is negligible, how long does it take for the rock to reach the maximum height of its trajectory?

If the minute hand of a large clock is 0.50 m Long what is its linear speed at its tip in meters per second

Momentum of a system is conserved only when question 16 options: there are no internal forces acting on the system. the system is not moving. there are no forces acting on the system. there is no net external force acting on the system.

What is the smallest sub atomic particle that orbit around the nucleus?

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?

What is efficiencywhat is the formula of mechanical advantage and velocity ratio of labour

What is the wavelength of an ekectromagnetic wave that has a frequency of 40,000 hz? the speed of light is 3x10^8 m/s?

Witch of the following is an example of a pull

Can two like charges attract each other