A soccer ball is kicked from the ground, and its height in meters above ground is modeled by the function h (t) = - 4.9t2 + 19.6t, where t represents the time in seconds after the ball is kicked. how long is the ball in the air?

What is the mass of a rock that weights 49 newtons?

A thug pushes some 100 kg punk with 300 N of force. How much is the punk accelerated?

Which of the following statements best describe destructive forces? A. Forces that build up, create, landmasses. B. Forces that wear down, destroy, landmasses. C. Forces that change the appearance of rock. D. Forces that are destructive by nature

Janet installed a dimmer on the lights in her bedroom. She slid the dimmer switch, causing the resistance in the circuit to decrease. Assuming the voltage is constant, what affect will Janet's actions have on the circuit?

How high can a 21 watt motor lift a 10kg package in 6 seconds?

What investigations provide large amounts of information about a wide range of variables.

Why would Sodium (Na) and Chlorine (CI) want to form a lonic Bond? -to achieve a full inner valence shell -to achieve a equal amount of protons & electrons in their nucleus -to achieve an stable amount of protons & neutrons in their nucleus -to

A digital thermometer reads 15 degrees Celsius, what is the uncertainty?

Determine the magnitude of the effective value of g⃗ at a latitude of 60 ∘ on the earth. assume the earth is a rotating sphere.

What characteristic of a planet determines the acceleration due to gravity on it?