Light travels at a speed of about 3 x 108 m/s. (a) How manymiles does a pulse of light travel in a time interval of 0.1 s,which is about the blink of an eye? (b) Compare this distanceto the diameter of Earth.

Q: One-third of the first period, one at 2m / s, the third, at 3m / s and the last one at 5m / s.…

A: Average speed = total distance/ total time taken  Let the total distance be d. Time taken for the…

Q: A car speedometer has a 7% uncertainty. What is the range of possible speeds when it reads 60 km/h?…

A:

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: The instantaneous speed of a particle moving along one straight line is v(t) = ate"2t where the…

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: If you divide the total distance traveled on a car trip (as determined by the odometer) by the…

A:

Q: On a 10 mile drive, a man exceeds the 50 mi/hr speed limit by an average of 10 mi/hr. How much time…

A: time = distancespeed

Q: A drunkard is walking along a straight road. He takes 5 steps forward and 3 steps backward, followed…

A: (given) Last five steps covering 5 m. The drunkard fell into the pit, then displacement is     =…

Q: Starting with a velocity of 5 knots along positive x-axis, a vessel accelerates for 10 minutes with…

A:

Q: If a car moves at the rate of 30mi/h for 6 min, then 60mi/h for 10 min, and finally 5 min/h for 3…

A: Given:  First 6 min, velocity = 30 mi/hr Next 10 min, velocity = 60 mi/hr Final 3 min, velocity = 5…

Q: A major league pitcher throws the ball at a speed of 97.5 ft/s. How high would the ball go if thrown…

A: Given: The initial speed of the ball is 97.5 ft/s. Introduction: When a body is thrown against…

Q: A rocket ship has a position given by x(t)=bt2 meters. In order for it to reach a velocity of 5,000…

A:

Q: A bullet is shot at 261m/s straight down from a helicopter at a height of 1181m.  If it accelerates…

A: Let's use the kinematic equation in terms of initial velocity, distance, time, and acceleration…

Q: A ball takes t seconds to fall from a height h, and 2t seconds to fall from height h, then find the…

A:

Q: From January 26, 1977, to September 18, 1983, George Meegan of Great Britain walked from Ushuaia, at…

A: Basic Details The average velocity is the ratio of total distance covered to that of the total time…

Q: Due to continental drift, the North American and European continents are drifting apart at an…

A: Write the expression for the time. Here, d represents the distance and v represents the average…

Q: The world record for the hundred meter dash is 9.58 s. What is the corresponding average speed in…

A: Answer:-  Distance (S) = 100 m  Time (t) = 9.58 s  Speed (V) = Distance/ time  V = S/t  V = (100…

Q: car speedometer has a %% uncertainty. What is range of posSIble speeds (in km/n) nen it reads km/h?…

A:

Q: An automobile travelling 95km/h overtakes a 1.10km long train traveling in the same direction on a…

A: The relative speed of the car with respect to the train can be obtained as…

Q: A rocket ship has a position given by  x=bt^2  meters. In order for it to reach a velocity of 3,000…

A: Position of rocket ship is given by : x = b×t2Final velocity (v) = 3000 m/s distance moved (d) =…

Q: If a flea can jump straight up to a height of 0.670, how long is it in the air?

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Q: A basketball is thrown and the motion is given by the equation h(t)=16t^2+32t+4ht=16t2+32t+4, where…

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Q: Shannon decides to check the accuracy of her speedometer. She adjusts her speed to read exactly 70…

A: It is given that the speed on the speedometer of Shannon is 70mph. It is also given that Shannon…

Q: The typical American man has a leg length of 0.85 m and walks at a speed of 1.4 m/s. A giraffe’s…

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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: If a flea can jump straight up to a height of 0.44 m, how long is it in the air?

A: when the flea jump straight upward its acceleration a = -g = -9.8 m/s2 total distance to travel s =h…

Q: A girls softball pitcher can pitch the balll at a rate of 41 miles per hour. How long will it take…

A:

Q: The SI unit of time of is sec Select one: O True O False

A: Introduction: Time is the duration in which all things happens, it is a fundamental physical…

Q: units of (D) is:

A: Unit of D is  m/s5 =ms-5

Q: An object's position in the  as a function of time obeys the equation;  x(t) = 14.2/t2.17 + 5.1t3…

A: x(t) = 14.2/t2.17 + 5.1t3 = 14.2t-2.17 + 5.1t3 t = 1.93 s v = ?

Q: If equation of the displacement, S(t) in meters as a function of time (t) in minutes is giver S(t) =…

A: 1. Position at t=0 and 10 minute is

Q: What is the speed of a car going v=1.000mphv=1.000mph in SI units?

A: Given data The speed of car is given as: v = 1 mphv = 1 mph   The conversion factor from hour to…

Q: If the velocity of a moving object is v(t)=t-2/t^2 in meters per second, then what is its…

A: Velocity is defined as the time rate of change of displacement. It is denoted by v and expressed in…

Q: Due to continental drift, the North American and European continents are drifting apart at an…

A: The drift is 3 cm in 1 year. For 1 cm(=10-2m ) ,the time taken is t0=13  year For 1 m drift ,the…

Q: You drive a car 1500 ft to the east, then 2500 ft to the north. Ifthe trip took 3.0 minutes, what…

A:

Q: A student walks 1.0 mi west and then 1.0 mi north. Afterward, how far is she from her starting…

A:

Q: The speed of a vehicle falls uniformly from 18 m/s to zero at a deceleration of 2.55 m/s?.…

A: Given, initial speed of car=u=18 m/s Final speed after deceleration=v=0 m/s deceleration=a=-2.55…

Q: A particle is moving in three dimensions and its position vector is given by; 7(t) = (1.9t² + 2.1t)…

A:

Q: The correct conversion of speed limit of 65 mi/h in terms of SI unit is .(Given 1 mile = 1.609 km) O…

A: Given: The value of the speed limit is 65 mi/h. Introduction: The speed limit is the limit put on…

Q: The position of an object in circular motion is modeled by the given parametric equations, where t…

A: Given value--- x=7sin((pi/8)t), y=-7cos((pi/8)t) We have to find--- How long (in sec) does it…

Q: An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is…

A: Given data:  Airplane travels v1 = 300 mi/h for t1 =  2.00 h, in South direction v2 = 250 mi/h for…

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…

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.