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A: GivenVelocity of diver in horizontal direction ,vx=3.0 m/sTime taken ,t=4.0 s
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A: Initial velocity, u = 7 m/s Acceleration, a = 8 m/s² Time taken, t = 6 s Final velocity, v = ?
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A: given: q1=+25μC = +25*10-6 Cq2=+16μC = +16*10-6 Cq3=-60μC = -60*10-6 Cr12 = 90mm = 90*10-3 mr13 = 30...
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Q: A. Use ray tracing to determine the location of its image. (Express your answer to two significant f...
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A cement block accidentally falls from rest from the ledge of a 53.0-m-high building.
When the block is 14.0 m above the ground, a man, 2.00 m tall, looks up and notices
that the block is directly above him. How much time, at most, does the man have to get
out of the way?
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- A cement block accidentally falls from rest from the ledge of a 56.0-m-high building. When the block is 14.2m above the ground, a man,1.90m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?A huge wooden block accidentally falls from rest from the ledge of a 48-meter - high building. When the block is 11.0 m above the ground, a man standing, 1.80 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to get out of the way?A shopper uses the 55-meter long walkalator that goes at 1.5 m/s from the meat section to the vegetable section of a supermarket. If the shopper walks at 1.25 m/s in the same direction as the walkalator, how long will it take her to reach the vegetable section?
- A wide receiver is running along the sideline straight toward the goal at a constant speed. When he is 27 m away from the goal line he catches the ball, but there is a cornerback 12 m behind him moving with a constant speed of vc = 9.0 m/s. What speed should the wide receiver have to make sure he reaches the goal line just as the cornerback reaches him?A shopper uses the 55-meter long walkalator that goes at 1.5 m/s from the meat section to the vegetable section of a supermarket. If the shopper walks along the same walkalator at 2 m/s in going back to the meat section, how long will it take her to reach the said section?A cannon shell is fired straight up from the ground at an initial speed of 225m/s. After how much time is the shell at a height of 6.20∗10 2 m above the ground and moving downward?
- Daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up a 46degree ramp leaning on the leftmost bus, reviving at a speed of 34.10 m/s. How long would the stunt last? How many buses can he clear if the top of the takeoff ramp is at the same height as the bus, 3.00m, and the buses are 8.75 m long?An inquisitive physics student and mountain climber climbs a 51.0-m-high cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.06 m/s. (a) How long after release of the first stone do the two stones hit the water?A bullet is fired straight up in the air with an initial velocity of 300 m/s. How far has the bullet traveled 2 seconds after it was fired?
- An object is thrown off of a cliff 320 m above level ground with an initial horizontal velocity of 20 m/s. How far from the building did the rock land?A juggler throws a bowling pin straight up with an initial speed of 8.3m/s from an initial height of 2.4 m. How much time elapses until the bowling pin returns to the same initial height?In a construction site, a heavy hollow block falls down from a height of 63m above the ground. Unfortunately, there is a man 6ft height tall right below the incident. As to what maximum time should the man react as to safely move away from the falling block?1m = 3.2808ft