Shane's mother is training for a marathon. On Saturdays, she does a 10 mile

run in 90 minutes. What is her average speed in miles per hour?

O

A. 7.8 mph

O B. 6.7 mph

O C. 6 mph

O D. 9 mph

Give two examples where we feel the presence of motion through indirect evidences

Aluminum, carbon, and calcium are examples of what type of matter? Solution Heterogeneous mixture Element Compound

Which of the following gives sexual reproduction an advantage over asexual reproduction?

If scientist sent light waves to four different objects in space, which would take the longest to bounce the wave back to earth

Overtime, a household freezer will develop a layer of ice that coats the inside an grows thicker over time. Describe what happens to cause this layer of ice to form and grow.

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?

The process of changing the energy of a system by means of force. Force * Diatance

A gnat takes off from one end of a pencil and flies around erratically for 18.6 seconds before landing on the other end of the same pencil. If the gnat flew a total distance of 7.15 meters, and the pencil is 6.

An apple falls from an apple tree growing on a 20° slope. the apple hits the ground with an impact velocity of 16.5 m/s straight downward. what is the component of the apple's impact velocity parallel to the surface of the slope?

Objects falling through the air experience a type of friction called air resistance. true or false