An acorn falls from an oak tree. You note that it takes 2.5 seconds to hit the ground. How fast

was it going when it hit the ground?

A Ping-Pong ball has a mass of

What are some examples of motion that has negative acceleration?

After downloading this program, set the initial conditions of your computer model to the following: Relaxed length of spring, L_0: 0.3 m Spring constant, k_s: 12 N/m Anharmonic coefficient, / epsilon: 0.6169 N/m^2 Mass of hanging mass: 0.

A 8.3 resistor and a 5.4 resistor are connected in series with an emf source. The potential difference across the 5.4 resistor is measured with a voltmeter to be 12 V. Find the potential difference across the emf source.

Describe how your position changes as you jump over an object

A magnet is pushed into the center of a wire loop and then stops. what is the current in the wire loop when the wire stops moving? explain.

Which feature do highland climates have that lower elevation area do not? A tundra where there are no trees A tree line beyond which trees do not grow Permafrost, or a part of the ground that is permanently frozen An ice cap, or a permanent cover of

As shown in the figure below, Cindy rushes 30 mtoward her truck. She notices she forgot her lunch and returns back to the house. Her total travel time is 90s a. What is Cindy's average velocity over the 90s period? b.

Un atleta que recorre 100 m en 12 s

Assuming equal rates of acceleration in both cases, how much farther would you travel if braking from 59 mi/h to rest than from 25 mi/h?