Physics, 18.11.2020 17:10 2000000000000005
A 120-kg roller coaster cart is being tested on a new track, and a crash test dummy is loaded into it. The roller coaster starts from rest at point A which is 35m above the ground. The cart observed is to roll down the track to point B, which is 10 m above the ground. In your own words, what physics idea would you be able to use to predict how fast the cart is moving at point B?
Answers: 2
Physics, 21.06.2019 16:00
In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?
Answers: 1
Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
Answers: 1
Physics, 22.06.2019 16:50
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
A 120-kg roller coaster cart is being tested on a new track, and a crash test dummy is loaded into i...
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