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5. The graph below shows the velocity of a car at two-second intervals.
30
Velocity (m/sec)
0
20
10
Time (seconds)
Which of the following is the acceleration of the car?

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

What are the applications of electromagnetic waves

What causes the development of most clouds and precipitation in the atmosphere?