To qualify for the finals in a racing event, a race car must achieve an average speed of 255 km/h on a track with a total length of 2,500 m. If a particular car covers the first half of the track at an average speed of 218 km/h, what minimum average speed must it have in the second half of the event in order to qualify? km/h

Q: Bertie was able to drive 237 km in 2 hours and 30 minutes. The last 50.0 km was slowed due to…

A:

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 car traveled on a straight road, and it is found on the certain milestones (distance x) after a…

A: Solution: Let us calculate the velocity at different intervals of time. Time and distance traveled…

Q: Galois drove 60.0 kilometers due west in 5.00 hours and then drove 43.0 kilometers due north in 3.00…

A: From the question, it is given that- Path travelled along west: x1 = 60.0 km  Time taken along west:…

Q: You are driving home from school steadily at 97 km/hkm/h for 160 kmkm . It then begins to rain and…

A:

Q: You are driving home from school steadily at 99 km/h for 190 km . It then begins to rain and you…

A: Given data:  Speed during first 190 km S1 = 99 km/h d1 = 190 km Speed after slowing S2 = 63 km/h…

Q: Two physics professors challenge each other to a 100. m race across the football field. The loser…

A: Write the time taken by the Dr. Rice. tRice=10.40 s   Calculate the time taken by Dr. De La Paz to…

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: 1. A man drives his Ford Territory down a straight road at 5.2km at 40kph then he ran out of gas.…

A: Given DataD1=5.2kmV1=40kph=40km/hrD2=2.5kmT2=30min

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: To deter speeding through a residential area, the Police set up a speed trap on Illusion Drive.…

A: Given Speed limit is v= 30 mph=13.41 m/s Distance is d=50 m

Q: To qualify for the finals in a racing event, a race car must achieve an average speed of 160 mi/hr…

A:

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: To qualify for the finals in a racing event, a race car must achieve an average speed of 250 km/h on…

A:

Q: When the legal speed limit for the New York Thruway was increased from 55 mi/h to 65 mi/h, how much…

A: GivenDistance travelled by motorist (D)= 450 kmwe know 1km=0.621371 milesD=450×0.621371…

Q: A woman drives a car from one city to another with different constant speeds along the trip. She…

A:

Q: A horse and a squirrel participate in a race over a 1.90 km long course. The horse travels at a…

A: a) Let the squirrel be x meters from the finish line when horse again resumes the race. At this…

Q: you walk from your house to a local coffee shop to get an espresso. You average  a speed of 2.4 m/s…

A: Average speed = total distance travelled /total time taken

Q: A straight running track is 2400 m long. A runner starts from the start line of the track, runs to…

A:

Q: DEȚAILS A walker covers a distance of 2.2 km in a time of 32 minutes. What is the average speed of…

A: The expression for average speed  vav is given by,

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Given data The velocity of the car in the first duration t1 = 45 min is v1 = 65 km/hr. The velocity…

Q: When the legal speed limit for the New York Thruway was increased from 55 mi/h to 65 mi/h, how much…

A: Data Given ,  Initial speed ( Vi ) = 55 mi/hr  Now , 1 mile / hr = 0.447 m/s  So , Vi = ( 55 × 0.447…

Q: On your wedding day you leave for the church 30.0 minutes before the ceremony is to begin, which…

A: Total distance travelled in the first 15 minutes is

Q: 1) A race car travels around a circular race track for which the start line and finish line are at…

A: Total distance that should be covered during race is Radius of circular track is Time is…

Q: To burn the fats she accumulated during the lockdown, Katie walks south at a speed of 2.00 m/s for…

A: Given data:  Speed (v) = 2.00 m/s, towards South  Time (t) = 60.0 minutes Distance traveled in North…

Q: 1. A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10…

A: "Since you have asked multiple question, as per our guidelines we will solve the first question for…

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.…

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 –