Physics, 28.09.2019 03:30 miahsmith258
A1000 kg roller coaster begins on a 10 m tall hill with an initial velocity of 6m/s and travels down before traveling up a second hill. as the coaster moves from its initial height to its lowest position, 1700j of energy is transformed to thermal energy by friction. in order for the roller coaster to safely travel over the second hill, it must be moving at a velocity of 4.6m/s or less at the top of the second hill. what is the maximum height the second hill can be
Answers: 1
Physics, 22.06.2019 09:00
Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
Answers: 1
Physics, 23.06.2019 02:40
Check the following equation for dimensional homogeneity: ⅆ mv=∫t1t2(fcosθ)ⅆt where m is mass, v is velocity, f is force, θ is an angle, and t is time. check that each term in the equation has the following dimensions: [malbec] where you are to choose the coefficients a, b, c.
Answers: 2
A1000 kg roller coaster begins on a 10 m tall hill with an initial velocity of 6m/s and travels down...
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