The u. s has sent unmanned spacecrafts to ___ the planets in our solar system

a. all

b. none of

c. some

d. most

(its not c nor d)

What is the thermal energy of an object? the total kinetic and potential energies of its partick the total kinetic energy of its particles the total potential energy of its particles its total temperature

60 g of vinegar was used in a chemical reaction with baking soda. The total mass of the products is 140 g. What was the mass of the baking soda

Object A has a charge q on it, object B has a charge q on it, and Object C has a charge 2q on it. These charges are arranged, one each, at the vertices of an equilateral triangle. Which charge has the greatest magnitude electric force on it? a. Ab.

What causes the granular structure on the sun's photosphere?

A curving freeway exit has a radius of 50 m and a posted speed limit of 35 mph. What is your radial acceleration if you take this exit at the posted speed? Use 1 mph = 0.447 m/s. 4.9 m/s2 6.3 m/s2 0.3 m/s2 2.5 m/s2

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat

Resistance = 0.1 ohm Current = 60 amps Voltage = ? 0.6 6 60 600

The velocity of a roller coaster as it moves down a hill is where v0 is the initial velocity and h is the vertical drop in feet. An engineer wants a new coaster to have a velocity of 90 feet per second when it reaches the bottom of the hill.

What are sun spots?