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A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 14.7 g and a volume of 2.2 cm3. What is the density of the mineral sample?
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
Potential energy is measured in joules. Kinetic energy is measured in:
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
A skydiver jumps from an airplane and opens his parachute. At some point during his fall, the downward force of gravity on the skydiver is equal to the upward force of drag on the parachute. Which best describes the motion?
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
Jermaine and Josh observed an anthill for their science project. They observed that an ant moved 45 mm in 85 seconds. How fast was the ant moving?
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
Kinetic and potential energy are both measures of the amount of:
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
Why does the baseball move when the bat strikes it?
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
Wind, moving water, falling rocks, and roller skating children are all examples of:
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
A block of wood has a volume of 8cm3 and a mass of 4 g. What is the density of the block of wood?
kinetic energy
.53
contact with the bat creates an unbalanced force affecting the ball.
the skydiver is moving at a constant speed
work an object can do
joules
6.7 g/cm3
.5
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