A car traveling at 100 km/h strikes an unfortunate bug that splatters on the windshield. The force of impact is greater on the
A) bug.
B) car.
C) same for both
Answer: C
Physics & Space Science
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Quasar red shifts are usually larger than the red shifts of the visible galaxies
Indicate whether the statement is true or false
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Roughly how many different elements are there?
A) 1000 B) 20 C) many more than 1000 D) 100 E) 4
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A 0.50-m radius automobile tire accelerates from rest at a constant 3 rad/s2. What is the centripetal acceleration of a point on the outer edge of the tire after 6 s?
a. 90.0 m/s2 b. 9.0 m/s2 c. 9.4 m/s2 d. 16.2 m/s2 e. 162 m/s2
Physics & Space Science
The exchange particles for the strong force are
A) neutrinos. B) photons. C) quarks. D) gluons. E) W+, W-, and Z.
Physics & Space Science