A farmer pulls on his obstinate mule with 250 N of force to the right. The ground exerts a reaction force to the mule's resistance of 250 N to the left. What is the net force on the mule system? What is the mule's acceleration?

A net force if 55 N acts due west on an object. what added single force on the object produces equilibrium

You are creating waves in a rope by shaking your hand back and forth. Without changing the distance your hand moves, you begin to shake it faster and faster. What happens to the amplitude, frequency, period, and velocity of the wave?

What is the value of (8 104) 2, written with the correct mumber of significant figures? A) 206.324 B) 206.323 C) 2063 D) 206 E) 200

A golf club (mass 0.5kg) hits a golf ball (mass 0.03kg) with a constant force of 25N over a time of 0.02 seconds. What is the magnitude of the impulse delivered to the ball? Select one: o a. 0.05 Ns b. 1250 Ns C. 1.67 x102 Ns d. 12.5Ns o e. 8.

A proton travels at a velocity of 3.0x10^6 m/s in a direction perpendicular to a uniform magnetic field. If the proton experiences a magnetic force of 1.15x10-13 N, what is the magnitude of the magnetic field?

How would you calculate power if work is not done?

Equipotential surface A has a potential of 5650 V, while equipotential surface B has a potential of 7850 V. A particle has a mass of 5.40 10-2 kg and a charge of 5.10 10-5 C. The particle has a speed of 2.00 m/s on surface A.

Scientists develop theories to explain natural events. What causes scientists to reject even long-held theories and replace them with newer theories?

A car traveling at 40 m/s starts to decelerate steadily. It comes to a complete stop in 5 seconds. What is its acceleration? m/s2

The majority of pelagic sediments are of which type? A. Terrigenous B. Biogenous C. Hydrogenous D. Cosmogenous