Which medium could NOT transmit a mechanical wave? A. air B. rope C. vacuum D. metal bar

A jet has amass of 40,000 kg. The thrust for each of the four engines is 20,000 N. What is the jet's acceleration?

Bone with a latticework structure is called

What is the average velocity of atoms in 1.50 mol of neon (a monatomic gas) at 278 K? For m, use 0.01500 kg. Remember that R = 8.31 J / (molK). A. 9610 m/s B. 832 m/s C. 6.93 m/s D. 693,000 m/s

To calculate the specific heat capacity of some liquid, we have poured 235 g of water at a temperature of 18.0°C into 250 g of this liquid at a temperature of 27.0 °C in a calorimeter with a heat capacity of 210 J/K. The temperature stabilized at 20.

Use the ratio form of Kepler's third law, =, and the data provided to determine the time it takes Mars to orbit the Sun. Round your answer to the nearest tenth. Earth's orbital period = 1.0 Earth year Earth's distance from the Sun = 1.

This particle is found in the nucleus and adds mass to the nucleus, but changing its number does not change what the element is. This particle is the A. proton. B. photon. C. neutron. D. electron.

Projectile motion is an example of what kind of motion

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching