The object shown below has mass m and velocity

. The direction of its angular momentum vector with respect to an axis perpendicular to the page through point O is


 
a.
downwards.
 
b.
to the right.
 
c.
into the page.
 
d.
up out of the page.
 
e.
counterclockwise.

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c

Physics & Space Science

The net direction in which electrons flow through a circuit is:

A) the direction of the conventional current. B) opposite of the direction of the conventional current.

A mirror must be ________ in shape to reflect the light back to a focus

Fill in the blank(s) with correct word

A buzzer with frequency f0 is thrown straight upwards. On the buzzer's trip down, what is the frequency behavior heard by an observer below?

a. The frequency heard is still f0. b. The frequency is a constant one greater than f0. c. The frequency is an increasing one greater than f0. d. The frequency is a decreasing on less than f0.

At the peak of its motion, the acceleration of a projectile is zero

Indicate whether the statement is true or false