A brick of mass 5 kg is released from rest at a height of 3 m. How fast is it going when it hits the ground? Acceleration due to gravity is g = 9.8 m/s2.

A. 9.9 m/s

B. 8.1 m/s

C. 7.2 m/s

D. 7.7 m/s

A stone is dropped down a well and hits the water 2.50 s later. What is the depth from the edge of the well to the water? 61.3, 12.3, 30.6

2 3 4 5 6 7 8 9 10 es A car is traveling in a straight path due east with a velocity of 8 meters per second. In a 10 second interval, how many meters will the car travel? .80 m 2 m 18 m 80 m Submit Force, Mass, and Motion Hint Calc Formulas

Which type of radioactive decay results in no change in mass number and atomic number for the starting nucleus?

Tracy makes a list of energy transformations that occur as an engine runs to power a car. 1. Chemical energy transforms into thermal energy. 2. Thermal energy transforms into electrical energy. 3.

Which of the following statements are true? A solid can diffuse into a liquid, but a solid cannot diffuse into another solid. A solid can diffuse into both a liquid and another solid. A liquid can diffuse into another liquid.

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

In a laboratory, you determine that the density of a certain solid is 5.23*10-6kg/mm3. Convert this density into kilograms per cubic meters.

List the solar objects in correct order from the Sun. Venus Earth Mercury Saturn Neptune Mars Jupiter Asteroid Belt The Sun Uranus

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. The area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?

How can you tell one element from another?