A force is applied to a 2.8 kg mass and produces 3.9 m/s 2 acceleration. what acceleration would be produced by the same force applied to a 8.2 kg mass? answer in units of m/s 2.

Give both a written definition and a mathematical equation for torque.

Assume a beam with stirrups inclined at 60o angle with respect to the longitudinal steel resisting cracks developing at 45o angles.

Solar cells convert what type of energy into electrical energy?

A magnetic field is perpendicular to the plane of a flat coil. Since the magnitude of the field is increasing, an emf will be induced in the coil unless something is done to prevent it.

An African Swallow, flying with a horizontal velocity of 80 m/s due North, drops a coconut from a height of 8 m. When does the coconut hit the ground after it is released?

Visualize five horizontal sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata are true? a.

The characteristics that follow are characteristics of two of Galileo's surviving double-convex lenses. The numbers given are magnitudes only; you must supply the correct signs. L 1: front radius 950 mm, rear radius 2700 mm, refractive index 1.

Which car has the most kinetic energy? A car of mass 1500 kg with speed 5 m/s or A car of mass 1300 kg with speed 3 m/s or a car of mass 1200 kg with speed 2 m/s or a car mass 1400 kg with speed 4 m/s

A 500 kg table with 4 legs rests on solid flat ground. I place 3 books on the center of the table with masses of 10 kg, 20 kg and 30 kg respectively. What is the normal force between the ground and one leg of the table?

Fluorine-21 has a half-life of approximately 5 seconds. What percentage of the original nuclei would remain after 20 seconds