10. A 5.0 g pellet is placed in the barrel of a toy gun and is propelled by a spring of force

constant 50. N/m. The spring is compressed 20. cm and then released. Calculate the

maximum velocity of the pellet when shot horizontally.

How many revolutions does the object make during the first 4.0 s?

What instrument is normally used to measure atmospheric pressure? a. thermometer b. barometer c. hydrometer d. spectrometer

Discuss what it means to view something from a frame of reference. Supply an example that illustrates your explanation.

Why are animal cells square and animal cells round

Which single force acts on an object in free fall? A. Air resistance B. gravity C. Friction D. fluid forces

A current of 19.5 mA is maintained in a single circular loop with a circumference of 2.30 m. A magnetic field of 0.710 T is directed parallel to the plane of the loop. What is the magnitude of the torque exerted by the magnetic field on the loop?

A zero on the kelvin temperature scale is called "absolute zero." a. true b. false

Calculate the speed of a wave on a guitar string which has a mass of 55 g and a length of 30 cm if the tension in the string is 200 N

During a free fall Swati was accelerating at - 9.8m/s2. After 120 seconds how far did she travel? Use the formula = 1/2 * t2 to solve your answer. (Do not forget to keep units in your answer.)

How do sinkholes form?