What is one benefit of lifelong physical activity?

A.

high physiological age

B.

high blood pressure

C.

prevention of weight gain

D.

increase in healthy eating habits

Which equation best describes the law of conservation of momentum?

A mover uses a ramp to push a stereo into the van. The ramp is 3 meters long and 1.5 meters high. What is the ideal mechanical advantage of this ramp?

An airplane travels southwest a distance of 650 km at a velocity of 430 km/h. How long does the trip take in hours?

What is the correct calculation for resistance when the current is 4 amps and the voltage is 24 volts? a) 24 volts - 4 amps = 20 ohms b) 24 volts + 4 amps = 28 ohms c) 24 volts * 4 amps = 96 ohms d) 24 volts : 4 amps = 6 ohms

Blocks A (mass 2.00 kg) and B (mass 10.00 kg, to the right of A) move on a frictionless, horizontal surface. Initially, block B is moving to the left at 0.500 m/s and block A is moving to the right at 2.00 m/s.

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

Consider two cars, a 700kg Porsche and a 600kg Honda Civic. The Porsche is speeding along at 40 m/s (mph) and the Civic is going half the speed at 20 m/s.

Which statement about an electron in the 4d state is correct? A. The magnitude of its orbital angular momentum is 6√ℏ. B. The largest orbital angular momentum it could have in any given direction is 4ℏ. C.

A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343 m/s

A cyclist allows his bike to roll down a hill without pedaling. Towards the bottom of the hill he applies his brakes. The bike comes to a stop. Applying the brakes causes the brakes to warm up. Describe the energy transfers that have occurred.