A race car moving quickly around a track collides with a mosquito, which splatters on the car's windshield. Which object experiences a greater magnitude impact force?
1.Both experience the same force.
2.One cannot tell, you need to know the speeds of the mosquito and the race car.
3.the mosquito
4.the race car
1
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In a craze, the _________ that hold different LCMs together are broken.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT true about color and visual contrast in web design?
A. Webpages can use color to evoke mood. B. Limit your website color scheme to five or six contrasting colors. C. The WAI specifies that color contrast should be sufficient for visitors using a monochrome monitor. D. One way to select an appropriate color scheme is to use a template.
Kinetic Energy: A 1000-kg car is moving at 15 km/h. If a 2000-kg truck has 23 times the kinetic energy of the car, how fast is the truck moving?
A. 51 km/h B. 72 km/h C. 61 km/h D. 41 km/h
When discussing stellar lives, astronomers divide stars by mass into low-mass, intermediate-mass, and high-mass stars. Which category has the longest lifetimes?
A) low-mass stars B) intermediate-mass stars C) high-mass stars