If a force is directed perpendicular to the displacement, no work is done by that force

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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X-rays travel at a greater speed than radio waves

Indicate whether the statement is true or false

Physics & Space Science

While often called twins, Uranus and Neptune still have significant differences. Discuss some of them

What will be an ideal response?

Physics & Space Science

A rifle fires a bullet. Immediately after the bullet is fired, which of the following is NOT true?

A. the rifle and the bullet have the same magnitude of momentum B. the force on the rifle due to the bullet and the force on the bullet due to the rifle have the same magnitude C. the impulse on the rifle due to the bullet and the impulse on the bullet due to the rifle have the same magnitude D. the rifle and the bullet do not have the same kinetic energy E. the rifle and the bullet have the same kinetic energy

Physics & Space Science

A ball rolls across a floor with an acceleration of 0.100 m/s2 in a direction opposite to its velocity. The ball has a velocity of 4.00 m/s after rolling a distance 6.00 m across the floor. What was the initial speed of the ball?

A) 4.15 m/s B) 5.85 m/s C) 4.60 m/s D) 5.21 m/s E) 3.85 m/s

Physics & Space Science