How far does an automobile move while its speed increases uniformly from 15 kph to 45 kph in 20 seconds?   Can have more than 1 answer 167 m 172 m

Q: The Mach number of an aircraft that travels with a speed of 300 m / s in air at 18 ° C while it…

A: Speed of aircraft (v) = 300 m/s Temperature = 18 degree C

Q: If Ā = -(3m)î + (6m)j then –4Ã has magnitude: Select one: O a. 8 m O b. 27 m O. 10 m O d. -8 m O e.…

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Q: A car starting from rest picks up at a uniform rate and passes three electric posts in succession.…

A: Consider the illustration of the above problem as shown below:     Here, the first pole is a…

Q: 4. The length of a horizontal metre stick moving at 0.75c is A. 1.00 m B. 0.66 m C. 0.44 m D. 0.56 m

A: Given data: Length of meter stick at rest (L0) = 1 m Speed of meter stick (v) = 0.75c Required:…

Q: om rest picks up at a uniform rate and passes three electric posts in succession. The posts are 360…

A: Given data:-  The distance between the posts is 360 m along a street road,  The car starts from rest…

Q: An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt= −2.5√v where v…

A: Given value--- An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt=…

Q: A particle moves along the x axis according to the equation x 2.08 + 3.02t - 1.00t, where x is in…

A: Given Equation , x = 2.08 + 3.02t - 1t2  To find = a) position at t = 2.8 s                b)…

Q: According to Einstein's Special Theory of Relativity, an object moving at close to the speed of…

A: Einstein's special theory of relativity says that, the length of an object moving with a…

Q: When traveling at speeds close to the speed of light, time will noticeably O Slow down O Speed up O…

A: The person traveling at the speed of light would experience a slowing of time. For that person, time…

Q: A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 7.35 ✕…

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Q: The second postulate of special relativity says that the speed of light in empty space is…

A: According to special theory of relativity speed of light is constant and equal to c. c= 3×108 m/s

Q: How much time would it take for a bicycle to travel 56.9 meters at a rate of 7.26 m/s^2 if it…

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Q: An automobile moving with 95 km/hrs is passing a train that is 1.10 km long. The speed of the train…

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Q: The Moon is about 3.8 ✕ 108 m from Earth. Traveling at the speed of light, 3.0 ✕ 108 m/s, how long…

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Q: An airline passenger drops a coin while the plane is moving at 260 m/s. What is the velocity of the…

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Q: A boat takes 2.6 hours to travel 50 km down a river, then 6.7 hours to return. How fast is the river…

A: Time to travel down the river = 2.6 hr Time to return up the river =6.7 hr River length = 50 km Let…

Q: Two locomotives approach each other on parallel tracks. Each has a speed of 155 km/h with respect to…

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Q: space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 9.86 ✕ 107…

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Q: Two ships A and B leave a port at noon. Ship A travels north at 6 km/hr and ship B travels east at 8…

A: Given: The velocity of ship A is 6 km/h in the north direction. The velocity of ship B is 8 km/h in…

Q: The speed of a runner increased steadily during the first three seconds of a race. Her speed at…

A: In this question we are given that the speed of a runner increased steadily during the first three…

Q: An interstellar spaceship with rest length ?rest = 58.0 m is passing a planet at speed ? = 2.31 ×…

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Q: If the sun is a distance of 1.5 x 10^8 km from Earth, how long does it take sunlight to reach Earth…

A: Given: The distance x = 1.5×108 km. The velocity of light is V = 3.0×108 m/s.

Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…

A: In this question we have to find the speed of the rock. Please give positive feedback if the answer…

Q: A rod of length (2 m) moves with speed 0.9 c along the horizontal direction. The rod makes an angle…

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Q: A tricycle and a garbage truck are 150 kilometers apart and traveling toward each other. The…

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Q: A bus is moving at 10 m/s. If you walk at 1 m/s down the aisle opposite the direction the bus is…

A: Speed of bus (v) = 10 m/s Speed of person (v') = 1 m/s down the aisle opposite to the direction of…

Q: You travel to a star 135 light-years from Earth at a speedof 2.90 X 108 m/s What do you measure this…

A: Given: The distance of the star is 135 ly. The speed is 2.90x108 m/s.

Q: A bowling ball is dropped from a height of 15.0 m to the ground below. With what speed will the ball…

A: KINEMATICS

Q: A rod of length (2 m) moves with speed 0.9 c along the horizontal direction. The rod makes an angle…

A:

Q: Two objects are connected by a light string passing over a light, frictionless pulley. The 5.00-kg…

A: In the pulley system , before the object of mass m1=5 kg is released from rest , the only energy…

Q: A cruise ship going across a lake 15km wide travels a distance of 6km at a certain speed and then…

A: Given,

Q: ing searchlight in a lighthouse 2 km offshore is following a car traveling slowly along the shore.…

A: A revolving searchlight in a lighthouse 2 km offshore is following a car traveling slowly along the…

Q: Alight-vear is the distance that light travels in one year. The speed of light is 3.00 x 108 m/s How…

A: Write the equation for the distance travelled by the light in a year. DistanceD=Speed of light ctime…

Q: A car starts from rest and reaches a speed of 48ft per sec in 15sec. The acceleration increases from…

A: Given data: The initial speed of the car is, u= 0 The final speed of the car is, v = 48 ft/sec The…

Q: football player makes a touchdown run of 100 yards in a time of 1.5 seconds. What is the av.speed in…

A: The expression for average speed is, vavg=distancetime                     (I) one yard equal to…

Q: An unknown particle in an accelerator moving at a speed of 1.50 × 108 m/s has a measured total…

A:

Q: A rod of length (2 m) moves with speed 0.9 c along the horizontal direction. The rod makes an angle…

A: Verticle component of rod, Ly = 2×sin(30°) = 1 m. Horizontal component of rod Lx = 2×cos(30°) =…

Q: I need the answer as soon as possible

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Q: Imagine that we had two electrons that were initially VERY far apart, moving toward each other at…

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Q: A particle Q move from left to right at a speed of 0.85c.  A second particle R moves from left to…

A: Given data: The speed of particle Q is vQ=0.85c. The speed of particle R is vR=0.8c. The speed of…

Q: A group of physics students hypothesize that for an experiment they are performing, the speed of an…

A: Given: d=0.725 mθ=45°μk=0.120g=9.8 m/s2

Q: Ocean waves are approaching the beach at 10 m/s. A boat heading out to sea travels at 6 m/s. How…

A: Here ocean waves are approaching the beach at 10 m/s and a boat heading out to sea travels at 6 m/s

Q: 37.23 · Tell It to the Judge. (a) How fast must you be approaching a red traffic light (A = 675 nm)…

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Q: A wrench dropped by a worker at the top of a skyscraper falls past Charlie at a speed of 20 m/s.…

A: Solution: Given that v = 20 m/s h = 15 m

Q: Two trains are running in the same direction on two parallel tracks. One train 180 m long is moving…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –