Which is not a branch of natural science: biology, chemistry, physics, psychology?

The momentum of a bald eagle in flight is calculated to be 345. The mass of the eagle is 5.0 kg. What is the magnitude of the velocity of the eagle?

A meteor moving through outer space continues to move on the same path until an outside force acts on it

A 4 g bullet is fired horizontally with a speed of 300m/s into 0.8 kg block of wood at rest on a table. If the coefficient of friction between block and table is 0.3, how far will the block slide approximately?

Supernova explosions are known to release a large amount of energy. A detector for which type of electromagnetic radiation is most suitable to study a supernova explosion? Gamma ray Infrared Radio wave Visible light

Which of these quantities needs to have a direction associated with it? Select one: a. force only b. force and acceleration c. mass only d. acceleration only

Heat that is transferred by the movement of currents within a fluid is called?

5. What is the percent composition of sulfur in H2SO4? A. 32.7% B. 65.2% C. 98.1% D. 2.1%

A 0.8kg object accelerate at a rate of4 m/s2. What is the net force acting on a object

Which of the following is the best definition of an isotope? A. elements of the same kind with different numbers of neutrons B. elements of the same kind that have lost electrons C. elements of the same kind that have different electrical charges

Two cars approach each other; both cars are moving westward, one at 85 km/h, the other at 54 km/h. what is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? answer in units of km/h.