Which quantity is a vector?
A 65.0-kilogram astronaut weighs 638 newtons at the surface of Earth. What is the mass of the astronaut at the surface of the Moon, where the acceleration due to gravity is 1.62 meters per second squared?
When the sum of all the forces acting on a block on an inclined plane is zero, the block
The greatest increase in the inertia of an object would be produced by increasing the
A 100.-kilogram cart accelerates at 0.50 meter per second squared west as a horse exerts a force of 60. newtons west on the cart. What is the magnitude of the force that the cart exerts on the horse?
Sound waves are described as
An electrical force of 8.0 × 10^−5 newton exists between two point charges, q1 and q2. If the distance between the charges is doubled, the new electrical force between the charges will be
The magnitude of the total momentum of the two carts after the collision is
Which arrow best represents the direction in which friction acts on the ball at point P?
A magnetic field would be produced by a beam of
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