Which describes an object with constant velocity

How high would you have to go in the atmosphere for half of the mass of air to be below you?

If it requires 7.0 JJ of work to stretch a particular spring by 1.7 cmcm from its equilibrium length, how much more work will be required to stretch it an additional 3.6 cm?

What kind of waves do earthquakes produce

A mass of gas has a volume of 4m3, a temperature of 290k, and an absolute pressure of 475 kpa. When the gas is I love to expand to 6.5 M3 it's new temperature is 277K what's the absolute pressure of the gas after expansion?

Would life be different if the electron were positively charged and the proton were negatively charged? Does the choice of signs have any bearing on physical and chemical interactions? Explain.

In the physics of motion a force acting over a distance is?

What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?

An accelerating voltage

A speck of dust on a spinning dvd has a centripetal accelera - tion of 20 m/s2. a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk? b.