. If a man ran at constant 4 m/s for 40 s and then he ran at 8 m/s back to his starting position.    a. What was the total time of his run? ______________ s   b. What would be the total distance he covered? ______________ m   c. What would be his average speed? ______________ m/s   d. What was his displacement at the end of his trip? ______________ m   e. What was his average velocity? ______________ m/s and direction (if any)____

Q: A student drove to the university from her home and noted that the odometer reading of her car…

A: a) It is given that, Average speed is then,

Q: •28 On a dry road, a car with good tires may be able to brake with a constant deceleration of 4.92…

A: Initial velocity of the car,

Q: A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, and then returns…

A: Let the north pole be origin. The distance travelled by the bearcan be represented as:

Q: A drag racer starts from rest and accelerates at 3.8 m/s² for the entire distance of 10 * 102 m.…

A: Given data:  Initial velocity (v0) = 0 m/s Acceleration (a) = 3.8 m/s2 Distance traveled (Δx) =…

Q: A student drives the 100-mi trip back to campus after spring break and travels with an average speed…

A:

Q: A train travels with a constant speed of 20.0m/s for 7.00s. Determine all unknowns and answer the…

A:

Q: A car travelling at a constant speed of 24.0 m/s passes a trooper hidden behind a billboard. One…

A:

Q: A runner makes one lap around a 200-m track in a time of 25 s. What were the runner's (a) average…

A: Time, t=5  Length of track, d = 200 m

Q: A speeding motorcyclist is traveling at a constant speed of 36.0 m/s when he passes a police car…

A: a) The expression for time is t=va Substitute values in the above equation t=36.0ms4.0ms2=9 s

Q: car starts from rest and accelerates at a constant 10 m/s2 during a quarter-mile (402 m) race. How…

A: Given: u = 0 m/sa = 10 m/s2s=402 m

Q: A parcel of air moving in a straight tube with a constant accelaration of -4.00m/s2 has a velocity…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The displacement of a car is 90 meters North while decelerating for 6 seconds from an original…

A:

Q: Question 4 At the starting gun, a runner accelerates at 1.7 m/s? for 4.8 s . The runner's…

A: The equations of kinematics are given as, 1. v = u + at  2. s = ut +12at23. v2 = u2 + 2as  Where u…

Q: Now, A = 0.4 and T = 3500 seconds. The freighter begins at rest and reaches the desired acceleration…

A:

Q: red license tag is travelling at 10.0 m/s down a street, and a policeman on a motorcycle, taking…

A: Given:-  A motorist with an expired license tag is traveling at 10.0 m/s down a street,   a…

Q: 2 A car and a motorcycle moves on a straight line. The car starts 8 meters ahead of the motorcycle.…

A:

Q: A person takes a trip, driving with a constant speed of 96.5 km/h, except for a 20.0-min rest stop.…

A:

Q: A race car is one lap behind the lead race car when the lead car has 47 laps to go in a race. If…

A:

Q: A sprinter is running at a speed of 10.0 m/s, then accelerates at a constant rat e of 2.86 m/s2 for…

A: Given Data: The speed of the sprinter is: u=10.0 m/s The acceleration of the sprinter is: a=2.86…

Q: If a man ran @ 3m/s for 10s and then -3m/s for 10s more.... A.What is the distance traveled? B.…

A: Concept Scalar and vector quantities. Scalar quatities are independent of direction whereas the…

Q: A certain cable car in San Francisco can stop in 10 s when traveling at maximum speed. On one…

A:

Q: A certain cable car in San Francisco can stop in 10 s when traveling at maximum speed. On one…

A: The formula for acceleration and the velocity,

Q: At a track meet, a runner runs the 100–m dash in 19 s. What was the runner's average speed? =______…

A: Given data The distance covered is d=100 m The time is t=19 s   The runner's average speed is  SR=dt

Q: A boy has a height of 1.83 meters measured from the ground surface. She then lifts a rock and throw…

A:

Q: The same rock is dropped from a cliff and falls 85 m before hitting the ground. a. How fast did the…

A: Given data:  Height of the cliff = 85 m Initial velocity (V0) = 0 m/s

Q: An automobile is driven at 30 mph for 12 min, then at 40 mph for 20 min, and finally 50 mph for…

A: Given that:- An automobile is driven at certain speed in certain interval of time mentioned in the…

Q: A student drove to the university from her home and noted that the odometer reading of her car…

A:

Q: A motorist drove from Bristol to Bath at an average speed of 40 mph and then from Bath to Chippenham…

A: Given  Average speed from Bristol to Bath is               40 mph  Average speed from Bath to…

Q: Jenny and Alyssa are members of the cross-country team. On a training run, Jenny starts off and runs…

A: To determine: The time taken by the Jenny to start by Alyssa to catch up with Jenny   Given: Speed…

Q: A driver is traveling 18.0 m/s when she sees a red light ahead. Her car is capable of decelerating…

A: (A) The distance travelled by car before she applies the break is:

Q: A powerful motorcycle can accelerate from rest to 25.8 m/s (58 mi/h) in only 4.90 s. (For each…

A:

Q: A particle starts from rest and accelerates as shown in the figure below. az (m/s²) 2 1 5 (s) 7 " 10…

A: We have given two time to measure speed that is T1 =10.0s And T2=20.0s We have to find the particle…

Q: A car travels a distance of 450 km in a straight line for 4.50 hours from Hither to Yon. The car…

A:

Q: A commuter backs her car out of her garage with a constant acceleration of 1.60 m/s². (For each…

A: Given data:  Initial velocity (u) = 0 m/s Acceleration (a) = 1.60 m/s2 Final velocity (v) = 2.00 m/s…

Q: A student drives the 105-mi trip back to campus after spring break and travels with an average speed…

A: Given data *The distance travelled by the student is s = 105 miles *The time travelled by the…

Q: A car moving with a speed of 30 mi/hr reaches the top of a hill. As it goes down the hill, its speed…

A: athe accelerationa of the car.bdistances does it travel in this time.given,Initial speedu=30…

Q: In an experiment, a shearwater (a seabird) was taken from its nest, flown a distance 5120 km away,…

A:

Q: If a man ran at 3 m/s for 10 s and then -3 m/s for 10 s more.    a. What would be the total distance…

A: (a) The man travelled towards the distance is, The man travelled towards the distance in opposite…

Q: One simple model for a person running the 100 mm dash is to assume the sprinter runs with constant…

A: Given data: Distance covered by person in sprinter run is, d=100 m. Highest speed of sprinter is,…

Q: If a boat achieves a speed of 6.0 m/s in 12s, what is the boats average acceleration? (b) then, in…

A: Given data:  Initial velocity (Vi) = 0 Final velocity at 12 s ( Vf) = 6.0 m/s Time (t)  = 12 seconds

Q: graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each…

A:

Q: A car travels 25 mi/hr for 15 minutes. It then goes 40 mi/hr for the next 10 minutes. Finally it…

A: Given data:  Speed (v1) = 25 mi/hr for t1 = 15 min Speed (v2) = 40 mi/hr for t2 = 10 min Speed (v3 )…

Q: A student drives the 105-mi trip back to campus after spring break and travels with an average speed…

A: a) Total distance = 105 mi average speed for first part of trip = 64mi/hr time for first part of…

Q: A car traveling 59.4 km/h is 23.6 m from a barrier when the driver slams on the brakes. The car hits…

A:

Q: QUESTION 25 Which of the following units does not represent acceleration? a. m/s Ob. fils? C.…

A:

Q: A car, initially traveling 24.0m/s speeds up at a rate of 5.00m/s² for 5.00s. Determine all unknowns…

A: Given data: Initial velocity (v0) = 24.0 m/s Acceleration (a) = 5.00 m/s2 Time (t) = 5.00 s…

Q: ou are driving home from school steadily at 98 km/h for 150 km . It then begins to rain and you slow…

A: Initially for 150 km the driving speed was 98 km/h. After the speed is 63 km /h. The total time…

Q: 6. A baseball player moves in a straight-line path in order to catch a fly ball hit to the outfield.…

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 –