A small mailbag is released from a helicopter that is descending steadily at 2.50 m/s. After 5.00 s, answer the following questions. (a) What is the speed of the mailbag? m/s (b) How far is it below the helicopter? (c) What are your answers to parts (a) and (b) if the helicopter is rising steadily at 2.50 m/s? m/s

Q: A driver is initially traveling 21.1m/s to the right and then slams on the brakes to accelerate at a…

A:

Q: A helicopter is ascending vertically with a speed of 5.04 m/s . At a height of 124 m above the…

A: Given information:Vertical velocity of the helicopter (u) = 5.04 m/sHeight of the helicopter (h) =…

Q: A stone is throne vertically upwards from a cliff edge at an initial speed of 10 m/s. It misses the…

A: U = 10m/s  H= 210 m

Q: A juggler throws a bowling pin straight up with an initial speed of 3.8 m/s from an initial height…

A:

Q: You are on the roof of a Physics Building, 48 m above the ground. Your physics professor, who is…

A:

Q: A bullet is fired straight up in the air at an initial speed of 245 m/s. After how much time is the…

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Q: A helicopter is ascending vertically with a speed of 5.40m/s at a height of 105m above the earth, a…

A: Given: The helicopter is ascending at a speed of 5.40 m/s. The height (h) of the helicopter above…

Q: A steel ball is thrown downward with an initial speed of 10.2 m/s from a height of 62.8 m above the…

A:

Q: A football is kicked from ground level with an initial velocity given by  v0x = 19.0 m/s  and  v0y…

A: Given data: v0x = 19.0 m/s v0y = 11.6 m/s Need to determine maximum height y does it rise, the time…

Q: You are on the roof of a Physics Building, 34 m above the ground. Your physics professor, who is…

A: Using kinematic equation, the expression for find time is s=ut+12at2t=2sa Substitute values in the…

Q: A Piper Cub is a small airplane that must achieve a speed of 20 m/s for takeoff. If it starts from…

A: Given data:   Initial velocity (u) = 0 msFinal velocity (v) = 20 ms  Distance (d) = 1.0 km = 1000…

Q: You are on the roof of a Physics Building, 44 m above the ground. Your physics professor, who is…

A: Apply the second kinematic equation to determine the time to drop the egg on head.

Q: You are on the roof of a Physics Building, 12 m above the ground. Your physics professor, who is…

A: Given data: -  The height of the building is H = 12 m. The height of the professor is h = 1.72 m.…

Q: A stone is thrown vertically downward with an initial speed of 10.0 m/s from a point 20.0 m above…

A:

Q: A juggler throws a bowling pin straight up with an initial speed of 6.9 m/s from an initial height…

A:

Q: In an action movie, the villain is rescued from the ocean by grabbing onto the ladder hanging from a…

A: Using kinematics,

Q: A jet plane comes in for a landing with a speed of 100m/s, and its acceleration can have a maximum…

A: Given that Initial Speed u = 100 m/s Maximum acceleration for stop plane a = -5 m/s2 Final speed for…

Q: You are on the roof of a Physics Building, 35 m above the ground. Your physics professor, who is…

A:

Q: A man in a hot air balloon throws a rock downward with an initial velocity of 10m/s from a height of…

A:

Q: A football is kicked from ground level with an initial velocity given by  v0x = 18.5 m/s  and  v0y…

A: Given: The horizontal component of the initial speed is 18.5 m/s. The vertical component of the…

Q: A particle moving at a velocity of 4.0 m/s in the positive x direction is given an acceleration of…

A: initial velocity (u) = 4 ms , along + x direction acceleration (a) = 3 ms2 , along +y direction time…

Q: football is kicked from ground with an velocity given by v0x =17.0 m/s and v 0y = 11.2 m/s. To what…

A:

Q: A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with…

A:

Q: You are on the roof of a Physics Building, 41 m above the ground. Your physics professor, who is…

A: Given : yo = 41 m y = 1.62 m vox = 1.85 m/s

Q: An atom is constrained to move along the horizontal axis only. At time t = 0.7 s, the atom is at x =…

A: The average velocity(v) of any particle can be given as, v = ∆x∆t = change in displacementchange in…

Q: A juggler throws a bowling pin straight up with an initial speed of 5.7 m/s from an initial height…

A:

Q: An atom is constrained to move along the horizontal axis only. At time t = 0.5 s, the atom is at x =…

A:

Q: A juggler throws a bowling pin straight up with an initial speed of 5.8 m/s from an initial height…

A: Data provided: Initial velocity (V0) = 5.8 m/s, straight upward Initial height = 2.9 m

Q: You are on the roof of a Physics Building, 41 m above the ground. Your physics professor, who is…

A: Given Height of the building is the initial height of the egg = 41 m The height of the professor is…

Q: You are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is…

A: Answer Given  Height of the building hb = 51 m Height of the professor hp = 1.81 m Speed s = 2.35…

Q: If a driver is initially going 21m/s to the left and then slams on the brakes to accelerate at a…

A: Given that, Initial speed is u = 21 m/s As it stops final speed is v = 0 m/s Magnitude of…

Q: A toy rocket, launched from the ground, rises vertically with an acceleration of 20 m/s2 for 6.0 s…

A: Write the given values with suitable variables. a=20 m/s2t=6 s Here, a denotes the acceleration and…

Q: You are on the roof of a Physics Building, 17 m above the ground. Your physics professor, who is…

A:

Q: You are on the roof of a Physics Building, 31 m above the ground. Your physics professor, who is…

A: Time taken for the egg to hit the professor is given by:- h=gt2231-1.86=9.8×t22 hence, solving for…

Q: You are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is…

A:

Q: A juggler throws a bowling pin straight up with an initial speed of 7.9 m/s from an initial height…

A: write the kinematic equation, s=ut+12at2

Q: A ball is shot from the ground straight up into the air with initial velocity of 45 ft/sec. Assuming…

A: Given: The initial velocity of the ball is 45 ft/s vertically upward. The acceleration due to…

Q: An arrow is shot straight up into the air at an initial speed of 15.0m/s. After how much time is the…

A: Given data: Initial speed of arrow is, u=15.0 m/s. Final speed of arrow is, v=8.00 m/s.

Q: In a marathon race Chad is out in front, running due north at a speed of 4.03 m/s. John is 97 m…

A: Given the speed of chad is 4.03 m/s , and the speed of the john is 4.7 m/s. john is 97 m behind

Q: A hot air balloonist rising vertically with a constant velocity of magnitude 5 m/s, releases a…

A:

Q: You are on the roof of a Physics Building, 16 m above the ground. Your physics professor, who is…

A: Using equation of kinematics, t=2∆yg=216 m-1.99 m9.8 m/s2=1.69 s

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.