Parallax is the shift in a star's apparent position due to Earth's motion around the Sun.

Answer the following statement true (T) or false (F)


True

Physics & Space Science

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If you see Polaris directly overhead, you must be very close to

A) the equator. B) the South Pole. C) the Tropic of Cancer. D) the North Pole.

Physics & Space Science

What is the value of pi?

Physics & Space Science

A rectangular loop (area = 0.15 m2) turns in a uniform magnetic field with B = 0.20 T. At an instant when the angle between the magnetic field and the normal to the plane of the loop is (?/2) rad and increasing at the rate of 0.60 rad/s, what is the magnitude of the emf induced in the loop?

a. 24 mV b. zero c. 18 mV d. 20 mV e. 6.0 mV

Physics & Space Science

A 0.140-kg baseball is dropped and reaches a speed of 1.20 m/s just before it hits the ground. It rebounds with a speed of 1.00 m/s. What is the change of the ball's momentum?

A) 0.0280 kg?m/s upwards B) 0.0280 kg?m/s downwards C) 0.308 kg?m/s upwards D) 0.308 kg?m/s downwards E) 0 kg?m/s

Physics & Space Science