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

If you exert a force of 51 n to walk 6 m up a flight of stairs in 9 seconds, how much power do you use? answer in units of w.

Which stage of the cells cycle involves the division of the cells nucleus? A. mitosis B. cytokinesis C. interphase D. replication

During a phase change, what happens to temperature?

What is cosmic microwave background radiation?

While standing on a bridge 40.0 m above the ground, you drop a stone from rest. when the stone has fallen 3.80 m, you throw a second stone straight down.

A powerful motorcycle can produce an acceleration of 3.50 m/s2 while traveling at 90.0 km/h. at that speed the forces resisting motion, including friction and air resistance, total 400 n. (air resistance is analogous to air friction.

Thermal imaging cameras use what kind of electromagnetic energy

What was the original mission of the voyager space probes? A. to land on venus. B. to study comets and asteroids. C. to explore Jupiter and Saturn

If you weigh 660 n on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 19.0 km? take the mass of the sun to be ms = 1.99*1030 kg, the gravitational constant to be g = 6.

A 4kg mass traveling eastwards at 4m. s per second collides with a 3kg mass traveling westward as 8m. s per second ... calculate the total momentum of mass before they colide