A car travels 50 km from A to B at an average speed of 100 kmh ¹. It stops at B for 45 minutes and then returns to A. The average speed for the whole journey is 40 kmh ¹. Find the average speed from B to A.

Q: A beetle walks along the ground going to the east at 0.200km/hr  for 1.000min., then he stops and…

A: Given data: The speed at which the beetle moves for the first t1 time, v1=0.200 km/hr. The time…

Q: An airplane travels at 169 mi/h south for 2.00 h and then at 295 mi/h north for 636 miles. What is…

A: Given data:  Speed (V1) = 169 mi/h, South t1 = 2.00 h Speed (V2) = 295 mi/h, North d2 = 636 miles…

Q: A motorist drives north for 32.0 minutes at 80.5 km/h and then stops for 15.0 minutes. He then…

A: Total displacement of the motorist is calculated as follows:

Q: travel from Winnipeg to Regina and back. The total distance is 1100km. The return to Winnipeg is…

A:

Q: A motorist drives north for 32.0 minutes at 80.5 km/h and then stops for 15.0 minutes. He then…

A: We know that:

Q: 7.A motorist drives north for 35.0 min at 85.0 km/h and then stops for 15.0 min. He then continues…

A:

Q: A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other,…

A: Given:  time to go, t = 2.5 s  time to come back, t' = 0 s

Q: Raindrops fall 1.46 × 10° m from a cloud to the ground. If they were not slowed by air resistance,…

A:

Q: A pilot flies in a straight path for 1h 30 min. She then makes a course correction, heading 11…

A:

Q: Problem 2: A car is traveling at a speed of 33 m/s. art (a) What is its speed in kilometers per…

A: Given:  Speed  of car            S=33 m/s   we  have  to find  S  in  Km/h

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: An airplane travels at 302 mi/h south for 4.00 h and then at 313 mi/h north for 702 miles. What is…

A: Given Data:- The airplane first travels at v1=302 mi/h for t1=4.00 h in South. Then the airplane…

Q: In reaching her destination, a backpacker walks with an average velocity of 1.18 m/s, due west. This…

A: Suppose x is the distance the backpacker moved with velocity 0.717m/s, then the total displacement…

Q: Problem 4: In a biathalon race you first ride a bicycle at an average speed of 19.8 mi/h for 19…

A: Please see the answer below

Q: A runner is running around rectangular track with length = 50 meters and width = 20 meters. He…

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Q: Suppose that you drive the 10.0 km from your university to home in 20.0 min. Calculate your average…

A:

Q: 2.68 . CALC An object's velocity is measured to be v,(t) = a – Bi 4.00 m/s and B = 2.00 m/s'. At t =…

A: Given: The velocity of the object is given as. vt=α-βt2…

Q: : A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed…

A:

Q: Cheetahs can accelerate to a speed of 20.2 m/s in 2.65 s and can continue to accelerate to reach…

A: The initial speed of the cheetah is zero. The speed the cheetah reaches in 2.65 s is 20.2 m/s. The…

Q: a person walks for 1.00 hr at a speed of 2.00 mi/hr. he stops for 1.00 hr. he then starts walking…

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Q: Problem 5. The velocity of a particle moving along the x -axis is defined by v = kx°- 4x? + 6x ,…

A: The velocity of a particle moving along the x-axis is  v = kx3 - 4x2 + 6x Where v is in m/s x is in…

Q: The acceleration of an object (in m/s2) is given by the function a(t)=7sin(t)a(t)=7sin(t). The…

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Q: Repstance Rens tance A B с F G 1 Voltage Current

A:

Q: Chapter 02, Problem 10 In reaching her destination, a backpacker walks with an average velocity of…

A:

Q: uring 5 successive 1.02 min intervals, a runner moved at the following constant speed: 0.388km/min,…

A: Number of time intervals is n = 5  Each time interval is t = 1.02 min  Various speeds are V1 = 0.388…

Q: Cheetahs can accelerate to a speed of 20.0m/s in 2.50 s and can continue to accelerate to reach a…

A:

Q: A family drives on a trip to visit their relatives.  On the first day they travel 550 miles with an…

A: Given: The distance traveled on the first day was 550 miles. The speed on the first day was 50 mihr.…

Q: An object falls a distance h from rest. If it travels 0.550h in the last 1.00 s, find (a) the time…

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 –