How is a boomerang different from a airplane propeller

How many calories of heat make up 1 calorie?

In Latin, the word arthropod means jointed foot. Besides jointed legs and a segmented body, what other characteristic is common to arthropods? A. a pair of antennae B. an exoskeleton C. ability to regenerate when their body is damaged D.

How do I calculate the distance between Saturn and the Sun?

A circuit in which two or more paths are connected to the voltage source

Sarah's mom takes a parkway to work. It takes her 30 minutes to travel from mile marker 88 where she enters to her exit at mile marker marker 121. What is her average speed?

A constant force is exerted for a short distance on a block of mass that is initially at rest on a horizontal frictionless plane. This force gives the block a certain final speed v.

A football quarterback is moving straight backward at a speed of 3.00 m/s when he throws a pass to a player 20.0 m straight downfield. (a) if the ball is thrown at an angle of 25.

Simone is walking her dog on a leash. The dog is pulling with force of 34 N to the right and simone is pulling backward with a force of 16 N

An object moves with velocity v (t) = t^2-8t+7 a) write a polynomial expression for the position of the particle at any time t greater or equal to zero.

Is a lack of thorns a mutation? (on a plant)