Development of facial and body hair during adolescence is an example of which of the following?

secondary sex characteristics

o gonad

O synaptic pruning

primary sex characteristics

In science, all concepts are a) opinions and facts. B) beleifs that are familiar and complicated. c) testable and observable. D) theories that cannot be proven.

A 120kg defensive lineman tackles a stationary quarterback at 6.5 m/s it takes. 25 seconds for the lineman to completely stop what is the magnitude of force exerted on the lineman during the collision

According to aristotle what kind of motion requires no force

Is the velocity used to calculate reynolds number, average velocity?

What is the electric force acting between two charges of 0.0042 C and - 0.0050 C that are 0.0030 m apart? A. - 2.1 1010 N B. 2.1 1010 N C. 6.3 107 N D. - 6.3 107 N

Why does a charged balloon stick to a neutral wall?

While the cart is moving along an aisle, it comes in contact with a smear of margarine that had recently been dropped on the floor. Suddenly the friction force is reduced for - 40.0 newtons to - 20.0 newtons.

When a solo eclipse occurs. It is seen in

Newtons third law describes the forces between two colliding objects. use this connection to explain the forces acting when you kick a soccer ball

In the heat equation, what does c represent