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What is the magnitude of the eastward component of the velocity of an airplane flying at 612 kilometers per hour in a direction 40.0° north of east?
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
Space probes launched from Earth send information back to Earth from space in the form of
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
Which quantity is a vector?
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
An unbalanced force is always necessary to
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
After the collision, the electron recoils and the photon is scattered in another direction with a longer wavelength than the incident photon. The increase in photon wavelength results because, during the collision, the photon
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
A ball is thrown from level ground at an angle of 55° above the horizontal and lands on level ground. Neglecting friction, if the ball is thrown again at the same angle but with a larger initial speed, the ball will travel
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
What is the weight of a 60.0-kilogram student on the surface of Earth?
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
A car, initially traveling at 25 meters per second, is uniformly brought to rest as the brakes are applied over a distance of 40. meters. The magnitude of the average acceleration of the car while braking is
469 km/h
change the speed of a body
both higher and farther horizontally
electric field
loses energy to the electron
589 N
7.8 m/s^2
electromagnetic waves
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