Which of the following is Not true about Mechanical Waves?

A they carry energy

B they transfer matter

C they can be longitudinal

D they require a medium

Why is it important that we calculate the volume of dry gas

How long does it take for the velocity of the rain drop to reach 99% of its terminal velocity? (assume the conditions from part (b). round your answer to two decimal places.) ?

Which equation is most likely used to determine the acceleration from a velocity vs:time graph?

A large animal, such as a lion is made of A. one large cell B. b. ten or fewer cells c. c. trillions of cells D. d. No one can know the correct answer without looking closely at the individual animal

A platinum sphere with radius 0.0165 m is totally immersed in mercury. Find the weight of the sphere, the buoyant force acting on the sphere, and the sphere's apparent weight. The densities of platinum and mercury are 2.14 * 10 4 kg/m3 and 1.

Which of the following could be used to send an receive electromagnetic waves at the same time?

Tim is riding a bike at a velocity of 10m/s north. As he starts to climb a hill, his velocity decreases to 5 m/s north. Is the acceleration positive or negative? Calculate the acceleration.

What is the theme of the car we had to push?

State the law of conservation of energy in your own words

A condition associated with most warm fronts is