An object with a mass of 1.5kg changes its velocity from + 15m/s to + 22 during a time interval of 3.5 seconds. What Impulse was delivered to the object

A: 3.0 N•s

B: 11 N•s

C: 25 N•s

D: 56 N•s

Two moles of helium are initially at a temperature of 21.0 ∘Cand occupy a volume of 3.30*10-2 m3. The helium first expands at constant pressure until its volume has doubled.

What is the dangerous component of a live electrical circuits

Which force is greater the earth's pull on the moon or the moon's pull on the earth

A particle with a charge of - 1.24 x 10"° C is moving with instantaneous velocity (4.19 X 104 m/s) î + (-3.85 X 104 m/s) j. What is the force exerted on this particle by a magnetic field (a) = B (1.40 T) i and (b) È = (1.40 T) k?

What is the final stage of existence for each type of star?

If a semi-truck decreases its speed from 10 m/s to 5 m/s, its new kinetic energy is:

A force of attraction/repulsion due to the spin of electrons

What did the protoplanets become? a. nebulae b. planets c. solar nebulae d. planetesimals

This is the number of protons and neutrons in the nucleus of any atom.

What is the velocity of a snail that travels 0.20 meters in 1 minute