Physics, 12.12.2019 04:31 nehemiahw7020
The flowers of the bunchberry plant open with astonishing force and speed, with pollen grains accelerating from rest to 7.5 m/s. a. what impulse is delivered to a 1.0 * 10-10 kg pollen grain? b. what is the average force if this impulse is delivered in 0.30 ms? c. how does this force compare to the weight of the pollen grain?
Answers: 1
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Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg
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For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up
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The flowers of the bunchberry plant open with astonishing force and speed, with pollen grains accele...
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