The temperature at witch the velocity of sound in oxygen gas becomes equal to the velocity of sound in hydrogen gas at 0c is

1) 0c 2) 273c 3) (273 x 4) c 4) (273 x15) c 5) (273x16) c

What type of relief does a flat area have? a. high c. contour b. large d. small

Three resistors: R: = 3, Rz = 62, and R. = 90 are connected in series to each other and to a 36 V battery. What is the ammeter reading after the switch is closed? A. 6A B. SA C. 4 A D. 3 A E. 2 A

Naturally occurring element x exists in three isotopic forms: x-28 (27.977 amu, 92.23% abundance), x-29 (28.976 amu, 4.67% abundance), and x-30 (29.974 amu, 3.10% abundance). calculate the atomic weight of x.

1. A moving object with a mass of 8.8 kg has linear momentum of magnitude 13 kg mis. What is the kinetic energy of the object? a) 19) b) 4.8 c) 9.63 d) 0.743 e) 38)

A sprinter has a mass of 80kg and a kinetic energy of 4000 j. What is the sprinter's speed

A derived unit is a combination of fundamental units. Which of the following is an example of a derived unit? a) centimeter (used to measure distance) b) gram (used to measure mass) c) cubic centimeter (used to measure volume)

Technician A says that a heater core leak can be the result of the coolant wearing a hole through the core. Technician B says that a core leak can be caused by chemical action eating a hole through the core. Who is correct?

If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of a. an aftershock. b. liquefaction. c. a tsunami. d. landslides.

What is the total number of atoms in the following formula? CaBr2 4 3 2 1

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.