MULTIPLE CHOICE
What is the frequency of light that has a Ivavelength of 3.0 x 10^-10 m?
A) 1 x 10 A 18 Hz
(в
1 x 10^-18 Hz
C) 3x10^8 HZ
D
) 2.5 x 10^18 Hz
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A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

Could someone . i have tried to solve myself but my calculation is off

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2