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What is the potential energy of a 50 kg pole-vaulter when she is 4 m above the ground?
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
As a pendulum slows down due to friction, energy is conserved because
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
Which of the following is true according to the Law of Conservation of Energy
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
The kinetic energy of an object depends on its
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
A sprinter accelerates from 0 m/s to 8.0 m/s in 5.0 seconds. What is the sprinter's average acceleration?
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
What factors affect an object's potential energy?
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
On a graph of speed-versus-time, what would a constant slope represent?
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
Why would it be more important to know the velocity of a hurricane instead of the speed of the hurricane?
thermal energy increases.
An object is either standing still or traveling at constant speed.
Energy cannot be created or destroyed.
The velocity tells you the speed and direction the hurricane is heading
1.6 m/s^2
weight and height
mass and speed
200 kg/m
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