How many known planets are in our galaxy?

What controls the net direction of molecules?

During a softball game, a player running from second base to third base reaches a speed of 4.5 m/s before she starts to slide into third base. When she reaches third base 1.3s after beginning her slide, her speed is reduced to 0.6 m/s. a.

10^-7 goats to nanogoats

What is the correct displacement for the following vectors: 4 km south, 2 km north, 5 km south, and 5 km north? 2 km south 16 km total 11 km west 6 km south

A single conservative force fx = (6.0x - 12) n (x is in m) acts on a particle moving along the x axis. the potential energy associated with this force is assigned a value of + 20 j at x = 0. what is the potential energy at x = 3.0 m?

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density

What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

How is a herpetologist and a ecologist similar

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?