Q: 15. If the fastest marathon runner in the world, has a speed of 1.5 m/s, how fast is this in cm/s? *…
A: From the question it is given that: Speed of fastest marathon runner: v = 1.5ms Since, 1m = 100 cm…
Q: What is the height of a projectile in 5 seconds if its initial height is 385 feet, and it has a…
A: Given : t = 5 seconds yo = 385 feet vo = 10 feet per second
Q: A rocket ship has a position given by x = br² meters. In order for it to reach a velocity of 3.000…
A:
Q: A bicyclist in the Tour de France has a speed of 29.0 miles per hour (mi/h) on a flat section of the…
A: Speed value, v = 29.0 mi/h
Q: When X = 5t^2+ 10t -3, the velocity at 4s is: 50 m/s .A 110 m/s .B 25 m/s .C 30 m/s .D
A: The position of an object is given by a function of time as shown below. x=5t2+10t-3 The velocity is…
Q: A car is travelling with a speed of 90 km/h. This speed in S.I. units is O a. 324.00 m/s O b. 40.23…
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Q: A pirate ship launches a cannon ball with an initial speed of 200 m/s. The ball is to strike an…
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Q: The acceleration of a particle along an x axis is a = 6.2t, with t in seconds and a in meters per…
A:
Q: a child drives his skateboard with a speed, in meters per second given the following expresión. 2t+5…
A: Rewrite the expression of the velocity as: Solve for the zeros. The velocity doesn’t become zero…
Q: If x = t° and y = 2t?, where x and y are in meters andt in seconds, find the velocity att = 2…
A: Given data: x = t3 y = 2t2 x and y are in meters, t in seconds Required: Velocity at t = 2 seconds
Q: 2² – vở 2(x – xo) - a Initial Final Position 0.000 m 0.573 m Velocity 0.000 m/s 0.000 m/s
A:
Q: car travels in the +x-direction on a straight and level road. For the first 4 of its motion, the…
A: Given average velocity vav = 6.25 m/s Time taken t = 4 sec
Q: Starting with a velocity of 5 knots along positive x-axis, a vessel accelerates for 10 minutes with…
A:
Q: A tennis ball is shot straight upward from the ground with an initial velocity of +35.0 m/s. How…
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Q: A helicopter ambulance leaves its base and flies south a distance of 50 km. It picks up a patient…
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Q: A truck travels with a speed of 59 mi/h. This speed in S.I. units is (Given 1 mile = 1.609 km) O a.…
A: SI Unit of speed is metres per second 1 mile per hour = 1.609 km /hr Now converting km/hr to m/s…
Q: 5 Velocity of a particle changes from (3i + 4j) m/s to (6i + 5j) m/s is 2 s. Find magnitude and…
A: Average acceleration refers to the rate at which the velocity changes. Here, we calculate the given…
Q: Which one of the following quantities is NOT a speed? O 10 mi/hr 10 mi/hr/sec 35 m/s 20 m/s
A: Definition: Speed is defined as the rate of change of distance. speed=distancetime Its SI unit is…
Q: A bullet is fired from a gun. The bullet travels a distance L = 225 ± 0.5 m during a time interval…
A:
Q: 8. A person travels 60 meters in one minute. Then he covers the next 30 meters in 2 minutes.…
A: Total distance, d = 60 m + 30 m d = 90 m Total time, t = 1 min + 2 min = 3…
Q: Calculate how long will it take for a rock to hit the ground when it is thrown straight down from a…
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Q: A bus increases its speed from 36 kmh to 72 km/h in 10 seconds. Its acceleration is: O 5 ms? (b) 2…
A: Given : vi = 36 km/h = 10 m/s vf = 72 km/h = 20 m/s t = 10 seconds
Q: Finally, suppose the train slows to a stop from a velocity of 20.0 km/h in 10.0 s. What is its…
A:
Q: A jet plane moving at 300 m/s accelerates at a constant rate to 400 m/s over a distance of 3.5 km.…
A: By equation of motion:- V2 = U2 + 2.a.s Here, s = travelled distance = 3.5 Km = 3500 m u = initial…
Q: A bullet moves at 400 m/s for a time of 250 µs. How far does it travel? O 8 cm O 100 cm O 45 cm O 2…
A: In the given question, the speed of the bullet is given and the time taken is also given. We have to…
Q: A ball thrown vertically up is caught by the thrower after 2s. The initial velocity with which it…
A: Ball is thrown vertically and then caught after 2 s. So total time of flight is 2 s. As ball goes…
Q: What must be the average speed to travel 250 km in 2 hr? And in m / s?
A: Introduction: In physics, many of the physical quantity, came across in day to day life. Speed is…
Q: The Road Runner steps off a ledge and drops to the ground in 0.50s. What is Road Runner's velocity…
A: given: initial velocity u = 0 m/s time t =0.50 sec acceleration a =g =9.8 m/s2
Q: An object is shot directly upwards at 7.0 m/s. How long will it take to travel 12 m/s downwards? а.…
A: Given : initial speed of object, u = 7.0 m/s speed of object in downward direction , v = 12 m/s g =…
Q: A flower vase fell from a four storey building which is about 25 feet. How long does it take for it…
A: First option is correct.
Q: A cannon ball was thrown vertically upward with initial velocity of 200fps and 5s latera second ball…
A: Given: The initial velocity of the first ball is 200 ft/s. The height of the objects from the ground…
Q: 7. A car was moving at a constant velocity of 40 ms The driver saw an obstacle in front and he…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A car is moving at 15 m/s and begin to accelerate at a m/s", where v = V(60/a) m/s.
A: Initial velocity = 15m/s v=60a4m/sv4=60aa=60v-4m/s2
Q: Initially, an automobile is heading due north at a speed of 28m/s. What is the car's velocity after…
A: Given : vo = 28 m/s t = 6 seconds a = 4 m/s2
Q: A slow jogger runs å milè 16 minutes Calculate the speed (a) in/s in/s (b) m/min m/min (c) km/h
A: Here, we calculate the given as follow;
Q: QUESTION 4 Which one of the following quantities is NOT a speed? O 10 mi/hr 10 mi/hr/sec 35 m/s O 20…
A: Here we have to choose the correct option in the given quantities which is not a speed.
Q: How far (in m) does a car going 25 m/s travel in 7 s?
A: Write the expression for distance travelled by the car .
Q: In a car, you drive from your home 4 km to the gas station, 8 km to the shopping mall to let your…
A: Given data displacement from home to gas station =4 km displacement mall to mother off =8 km…
Q: A physics student walks 1 km east, then 1 km north, then 1 km west, and finally 1 km south. What…
A: Answer:- 4 km Given Distance travelled (S1) = 1 km east Distance travelled (S2) = 1 km North…
Q: A school bus traveling along at 12.6km/h slows to 4.32km/h in 2.50s. How far did it travel (in m)?
A:
Q: A bug flies east at 2.5 m/s. A light breeze blows on the bug with a velocity of 2.5 m/s due east.…
A: Velocity of the bug fly, vf→=+2.5 m/s Velocity of the breeze, vb→=+2.5 m/s Velocity is a vector…
Q: Q 1 - If a car moves at rate of 54 Km per hour , what is its speed in metres per second ? A. 15 mps…
A: Given, speed of car is 54 km per hour.
Q: The elevations of the ski jumping hill shown below are as follows: hA = 49 m hB = 3.5 m hc = 5.2 m…
A: The elevation of the ski jumping hill at A is hA=49 m. The elevation of the ski jumping hill at B is…
Q: V m/s Velocity - Time graph a.5 a 25 15 10 t see
A: NOTE: As per guidelines, I can solve the first three parts of the problem. If you need help with…
Q: The expression for velocity is given: v=d/t - v0. The variables are given: d= 35.0 meters, t= 9.00…
A:
Q: A person can walk 3000 m in 5 minutes. How long would the person takes to walk 1 km ? 100 s O 1.67 s…
A:
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- You encounter a moving walkway that is 75 mm long and has a speed of 1.9 m/sm/s relative to the ground.How long would it take you to cover the 75 mm length of the walkway if, once you get on the walkway, you turn around and start walking in the opposite direction with a speed of 1.4m/s relative to the walkway?An electron in a particle accelerator has a total energy that is 498 times its rest energy. What is the electron's speed? Express your answer as a ratio of the speed to the speed of light. (Round your answer to at least six decimal places.) V/C=_______ What is the kinetic energy of the electron, in units of MeV? _____ MevBjorn is standing at x = 600 m. Firecracker 1 explodes at the origin and firecracker 2 explodes at x = 900 m. The flashes from both explosions reach Bjorn’s eye at t = 3.0 μs. At what time did each firecracker explode?
- The velocity of a particle in reference frame A is (2.0i ^ + 3.0j ^ ) m/s. The velocity of reference frame A with respect to reference frame B is 4.0k ^ m/s, and the velocity of reference frame B with respect to C is 2.0j ^ m/s. What is the velocity of the particle in reference frame C?An electron travels at a speed of 8.60*10^7 m/s. What is its total energy? (The rest mass of an electron is 9.11 *10^-31 kg).A particle traveling at 3.75 x 10^8 m/s is subjected to the special theory of relativity. How fast is this velocity in relation to the speed of light? * A.) it is 50% the speed of light B.) it is 75% the speed of light C.) it is 100% the speed of light D.) it is 125% the speed of light A particle traveling at 3 x 10^8 m/s is subjected to the special theory of relativity. How fast is this velocity in relation to the speed of light? * A.) it is 50% the speed of light B.) it is 75% the speed of light C.) it is 100% the speed of light D.) it is 125% the speed of light
- Two cars are initially (2.50+C) km apart on a straight road. If the cars are moving toward each other, car 1 with a speed of (5.40+A) m/s and car 2 with a speed of (7.20+B) m/s, how many seconds will it take before the cars meet? Round your answer to three significant figures. A=8 B=7 C=15A particle has a rest energy of 4.47×10−13 J and a total energy of 9.67×10−13 J. Calculate the momentum p of the particle. p = ? kg m/sAn elementary particle of a mass m, moving to the right with v=0.800 c after leaving an accelerator, collides with and sticks to an identical particle initially at rest. What is the speed of the combined particles? CHOICES: a. 0.300 c b. 0.400 c c. 0.500 c d. 0.600 c
- The nonrelativistic expression for the momentum of a particle, p = mv, can be used if v << c. For what speed does the use of this formula give an error in the momentum of (a) 1.00% and (b) 10.0%?A spaceship moves away from Earth at constant velocity 0.60c, according to observers on Earth. Which of the following is observed by an observer inside the spaceship? a. Earth moves away from the spaceship at 0.60c. b. Earth moves away from the spaceship at a speed greater than 0.60c. c. Earth moves away from the spaceship at a speed less than 0.60c. d. The speed of the Earth cannot be accurately measured because the reference frame is moving.A particle moving at speed 0.40c has momentum p0 . The speed of the particle is increased to 0.80c. Its momentum is nowA. Less than 2p0 B. Exactly 2p0 C. Greater than 2p0