Physics, 03.02.2020 09:49 brittanyjacob8
How do scientists use the doppler effect to understand the universe?
a. to determine motion of objects.
b. to determine the ages of planets
c. to determine the planet.
what does a blue shift in the light from stars indicate?
a. the stars are moving randomly
b. the stars are stationary
c. the stars are moving closer (towards each other)
Answers: 3
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F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?
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Physics, 22.06.2019 08:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 2
Physics, 22.06.2019 11:00
The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program
Answers: 1
Physics, 22.06.2019 11:30
This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
Answers: 2
How do scientists use the doppler effect to understand the universe?
a. to determine mo...
a. to determine mo...
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