An electron traveling due North with speed 4 × 105 m/s enters a region where the earth's magnetic field has the magnitude 5 × 10-5 T and is directed downward at 45° below horizontal. What magnitude force acts on the electron?

What will be an ideal response?


2.26 × 10-18 N

Physics & Space Science

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An iron ball and a wooden ball of the same size are dropped from a tall tower. Taking air resistance into consideration, the object to hit the ground first will be the

A) lighter wooden ball. B) heavier iron ball. C) both hit at the same time. D) not enough information

Physics & Space Science

A proton's rest mass is 1.67 × 10^?27 kg. Calculate its total energy when it is accelerated to a speed of 0.80 c

a. 1.5 × 10^?10 J b. 1.0 × 10^?10 J c. 2.5 × 10^?10 J d. 2.0 × 10^?10 J e. 7.5 × 10^?10 J

Physics & Space Science

What type of faulting results from compressional stresses?

a. Reverse b. Abnormal c. Strike-slip d. Normal

Physics & Space Science

When a body moves with uniform acceleration, the net force on it is zero

Indicate whether the statement is true or false

Physics & Space Science