Your roommate drops your wallet down to you from the third floor window of your apartment, which is 11.5m from the ground. what is the velocity of the wallet when you catch it. (Assume you catch the wallet right before it hits the ground)

How can an apple appear red under white or red light but black under blue light?

Organism undergo constant chemical changes as they maintain an internal balance known as?

Newton's First Law of Motion states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force change the motion. This is sometimes called the law of

Gravitational force f exists between oint objects a and b seperated by distance r. if the mass of a is doubled and the distance r is tripled, what is the new gravitational force between a and b?

Describe a series circuit. What will be the same across all resistors in a series circuit (in terms of potential difference, resistance or current) ?

The malfunction indicator light in an OBD II system is flashing. Technician A says that this simply indicates a soft failure. Technician B says this means the problem could be damaging the catalytic converter. Who is right? A. Technician A only B.

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?