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Compute all parts of given question:
Question: Superman is standing 124 m horizontally away from Lois lane. A villain drops a rock vertically downward with a speed of 2.26 m/s from 19.3 m directly above Lois.
Part A: If Superman is to intervene and catch the rock right before it hits Lois, what should be his minimum constant acceleration?
Part B: How fast will Superman are traveling when he reaches Louis?
Please show me how work it out above question.
In a railroad switchyard, a 50 ton freight car is sent at 7.4 mi/h toward a 27 ton car that is moving in the same direction at 2.0 mi/h. What is the speed of the pair after they couple together
Although there are a lot of ways to detect planets, can someone further expand on the techniques and methods used to determine the composition of planets detected outside the solar system ?
1. gaseous helium is to be used to quench a hot piece of metal. the helium is in storage in an insulated tank with
A 5.0 X 10^4-kg space probe is traveling at a speed of 11,000m/s through deep space. What is the final speed of the probe
Your report should comprise be in the form of a two page memo/document that discusses the regulations and explain how they will apply to your hiring process.
A dolphin jumps with an initial velocity of 12.5 m/s at an angle of 36.0° above the horizontal. how high above the water is the center of the hoop
a variable capacitor is connected in series to an inductor with negligible internal resistance and of inductance 4.25 x
A certain van is capable of accelerating at a rate of 10.60m/s2. Find how long does it take for this car to go from a speed of 55 mi/hr to a speed of 60 mi/hr
A wheel initially rotating at an angular speed of 2.4 rad/s turns through 30 revolutions during the time, How long did the acceleration last
An iron cube with a volume of 8.00cm^3 is submerged in ethyl alcohol, which has a density of 0.806g/cm^3. What is the volume of ethyl alcohol displaced
The ammonia molecule NH3 has a permanent electric dipole moment equal to 1.47 D, where 1 D = 1 debye unit = 3.34 x 10-30 C-m. Calculate the electric potential in volts due to an ammonia molecule at a point 65.0 nm away along the axis of the dipole. (..
A spring with spring constant 20.0N/m hangs from the ceiling. What is the mass of the ball and what is the maximum speed
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