Which of the following simple machines includes a wedge?

A. axe

B. file

C. bolt

D. ramp

Which of the following statements is not one of Newton's laws of motion? a. The rate of change of momentum of an object is equal to the net force applied to the object. b.

8. What is the weight of a dog that has a mass of 5 kg? a. 0.5 N b. 0.5 lbs. C. 49 N d. 49 lbs.

Alexander has a mass of 70 kilograms. his apartment is on the second floor. 5 meters yo from ground level. How much work does he do against gravity each time he climbs the stairs to his apartment.

What is a resistors?

A ball travels from north to south at 60km/h. After being hit by a bat, it travels from west to east at 60km/h. Is there a change in velocity?

A race car starts from rest and speed up uniformly to the right until it reaches a maximum velocity of 60m/s in 15 sec

The magnitude of a velocity vector is called speed. suppose that a wind is blowing from the direction n45°w at a speed of 40 km/h. (this means that the direction from which the wind blows is 45° west of the northerly direction.

The y component of the electric field of an electromagnetic wave traveling in the + x direction through vacuum obeys the equation Ey = (375 N/C) cos[kx - (2.20 * 1014 rad/s) t]. What is the wavelength of this electromagnetic wave? (c = 3.

The work of Subrahmanyan Chandrasekhar is likely to have been most influenced by the work of which of the following scientists? A. Albert Einstein B. Edwin Hubble C. Marie Sklodowska-Curie D. Lord Kelvin

Explain why it's important that the alveoli is only 1 cell thick