2)A fish is at y=1.5m depth (Fig.2). Calculate the apparent depth (y"). Assume that the angles 0 1 and 0 2 are small (in that case seno e = tan e = e). solve with snell's law
Q: An extreme skier, starting from rest, coasts down a mountain slope that makes an angle of 25.0° with…
A: Angle between mountain slope and horizontal: θ=25° Coefficient of kinetic friction: μk=0.2 Distance…
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A:
Q: The brakes of a car provide an acceleration of – 5 m/s2. How long will it take for a car travelling…
A: It will take 4 sec to stop the car.
Q: A car is moving at uniform acceleration. Its velocity
A: Acceleration- The rate of change of velocity of an object with respect to time is called its…
Q: Have you kept in mind the person accelerates at the start.
A: In the attached graph , we can see that the person is accelerating for the first 7 sec.
Q: Would an object dropped three times from the same height would hit the ground at the same time?
A: Since, for a freely falling body which is dropped from height(h) and takes time(t) to reach the…
Q: What was its velocity when it was fired?
A:
Q: 5.0 4.0 3.0 2.0 1.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0 Time for 100 km trip (h)
A: From the graph of time-speed given in the question, for each value on horizontal speed axis there…
Q: A wheelchair moves upward on a 7 degree ramp at a speed of 2 m/s what is the horizontal velocity?
A:
Q: A ball dropped from the roof of a building 94 m high will hit the ground with a velocity of _____…
A:
Q: With what velocity a ball must be thrown vertically to reach height 20 m
A: v=Final velocityu=Initial velocitya=g=Acceleration due to gravtiy=9.81 m/s2s=Displacement=20 m
Q: At 3 s the position was 3 meters. At 4 s the position as 5 meters. What is the average velocity?
A:
Q: Which scenario is an example of projectile motion? Rolling a ball across the floor Driving a car An…
A: Required: The example of the projectile motion
Q: What is the velocity of 2 x 4 m/s
A: Velocity is defined as the time rate change of displacement with respect to time.
Q: 15. A rock is dropped from a high tower. Assuming negligible air resistance, which of the following…
A: A rock is dropped from a high tower. Assuming negligible air resistance, which of the following…
Q: Considering the figure attached, which instance has the highest centripetal acceleration?
A: We know that centripetal acceleration = v2r, where v is velocity and r is radius. For A =…
Q: Explain about Riding in an accelerating vehicle.
A: Riding in an accelerating vehicle can be best explained by an example of a person sitting in a car…
Q: A ball thrown horizontally from the top of a building hits the ground in 0.4 s. If it had been…
A: Given case 1Ball hits the ground in ,t=0.4 s (Time of flight)
Q: The velocity of a baseball 2.00 s after it is thrown vertically upward with a speed of 32.1 m/s is…
A: The given data are: t=2 su=32.1 m/sa=-g=-9.8 m/s2 Here, t is the time, u is the initial speed, and a…
Q: A ball is dropped from the top of a 65-meter tall building. How fast will the velocity be when it…
A: Given data: Ball is dropped from the top Height of building (h) = 65 m Required: Velocity of the…
Q: A stone is dropped with an initial velocity of 80ft/s. How fast is it moving 1.5 seconds? If the…
A: Given The initial velocity of the stone is u=80 ft/s. The time travel by the stone is t=1.5 s. The…
Q: A rock is thrown downward from a top of a building with an initial speed of 20 m/s. It strikes the…
A: The problem involves the kinematics of a falling object due to gravity, which can be described by…
Q: An object is dropped from the top of the Burj Dubai which is 830 meters high and name as the tallest…
A:
Q: Malak is ice-skating at the Lloyd Center. What is her final velocity if she accelerates at a rate of…
A: Given : acceleration a = 11.5 m/sec2 time t = 2.5 second Find : velocity =?
Q: acceleration of the crate in m/s?
A: Given data: The mass of crate is: M = 2.49 kg The force applied at an angle is: θ = 27.9o The…
Q: If a rocket is shot and lands 200m away. how long was it in the air and if the initial velocity was…
A: Given data The horizontal range of the rocket is given as R = 200 m. The initial velocity of the…
Q: How far does he run? 96 a 24 m 72 m 96 m
A:
Q: A car hits a wall at 45 mph. That is equivalent to falling from what height and hitting the ground
A: Given : vi = 45 mph = 20.117 m/s vf = 0 m/s
Q: A Ball rolls down an inclined plane with a 20-degree angle starting from rest to a height of…
A:
Q: An airplane reaches a velocity of 80 m/s when it takes off. If the runway is 1 km in length, what…
A: Acceleration can be found by using equation of motion .
Q: A car travelling at 6 m/s acceleration uniformly the car travels 240 meters in 30 seconds
A: Given data : Initial velocity = u Distance covered = s Time = t To find…
Q: A car travelling at 4 m/s acceleration uniformly the car travels 150 meters in 26 seconds
A: Write the given data. vi=4 m/ss=150 mt=26 s In this problem, we have to calculate the acceleration…
Q: The average speed of a car
A:
Q: If you were to drop a large log over the edge of the Grand Canyon and it took 3.21 seconds to hit…
A: we use the formula v=u+gt
Q: which of the following is a vector quantity? speed time displacement distance
A: Speed is a scalar quantity, as speed is the rate of change in the distance travelled by the object.
Q: A bullet shot straight up returns to its starting point in 10 s. Ignoring air resistance, what was…
A: Given data: Time taken to return staring point (t) = 10 s Vertical displacement (Δy) = 0 m Required:…
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