152 Answered Questions for the topic Speed

Speed Math

7d

#### The speed of a boat in still water is 30 mph. It takes the same time for the boat to travel 5 miles upstream as it does to travel 10 miles downstream. Find the speed of current

Speed

19d

#### Math constant speed, average speed

Cars A and B leave the same place and travel in the same direction along a straight road. Car A travels at 60 km/h and car B travels at 72 km/h. After how long will they be at 8km apart?

12/03/20

#### This is a trig question that is too long to put in the title. See description

A small pebble stuck on the tread of a car’s tire is travelling at a linearspeed of 35 miles per hour. If the radius of the tire were 1 inch greater and itsangular velocity were the same, the...
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11/24/20

#### A particle moves along a straight line. For 0 ≤ t ≤ 5, the position of the particle is given by – . s(t)=3t+4t^2-t^3.

A particle moves along a straight line. For 0 ≤ t ≤ 5, the position of the particle is given by – .s(t)=3t+4t^2-t^3. a) What is the average velocity of the particle over the interval 0 ≤ t ≤...
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Speed Radius

09/10/20

#### the radius around the circle?

an object travels around a circle with a constant speed. Two measurements are taken: it rotates 21 revolutions in 7 seconds. It travels 40 meters in 5 seconds. find the radius of the circle

06/03/20

#### the average speed of a car is 45 km/h how many kilometres has the car travelled after 25 minutes?

#### Algebra homework help

Problem: A rowing team practices rowing 2 miles upstream and 2 miles downstream. The team can row downstream 25% faster than they can row upstream.a. )Write and simplify an expression for the...
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Speed Algebra 1

04/28/20

#### How many seconds will it take for a satellite to travel 450,000 meters at a rate of 6 m/s east?

Speed Science

04/17/20

#### if you travel at an average speed of 78 km/h and you travelled a distance of 234km how long would it take you

04/15/20

#### HELP NEEDED PLEASE

One jet flies east at 880 km/h and another jet is flying north at 880 km/h. Do they have the same velocity? Do they have the same speed?

04/15/20

#### HEEELLPP I DON'T UNDERSTAND

An ant is crawling on your ruler. He is on the 6 cm. mark and he crawls back to the 2 cm mark. He does this in 2 seconds. What is the distance he crawls? What is his speed? What is his...
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10/04/19

#### Time Distance Question

New York and Los Angeles are 3,000 miles apart. If a man drives from New York to Los Angeles at 80 mph and another man drives from Los Angeles to New York at 90mph, where will they meet?

09/12/19

#### How to answer questions involving pulleys?

A small ball,P, of mass 0.8kg is held at rest on a smooth horizontal table and is attached to one end of a thin rope. The rope passes over a pulley that is fixed at the edge of the table. The other...
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Speed Velocity

09/11/19

#### A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec what was the acceleration of the ball.

Speed Algebra 2

05/10/19

#### Solving speed word problem

A plane flew for 576 km directly into a strong wind and then flew back with the same wind. If the total flying time was 5 hours and the planes airspeed was 250 km/h what was the speed of the wind?

Speed Algebra

03/06/19

#### how long will a man take to run,once,round a circular track of radius 28m at an average speed of 8m/s

Speed Distance And Time

02/08/19

#### SPEED,DISTANCE AND TIME

Overall, the bus covered 12 kilometres in 35 minutes. What is this speed in kilometres per hour?

#### Distance, displacement speed and velocity

A student went for a run. She ran for exactly 22 minutes at an average speed of 4.0m/s calculate the distance she ran in km and state the equation that links distance travelled, average speed time.

#### I need help with HW

Isabelle is trying to predict the time required to ride her bike to the nearby beach. She knows that the distance is 45 km and, from other trips, that she can usually average about 20 km/h. Predict...
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#### Velocity, How far does the object move?

An object moving on a number line as position s given by s=t^2 (where t is measured in seconds and s in feet). At time t=2, its velocity is 4 feet per second, as you can check .How far does it move...
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#### Physics Question:

In a 3 km race, a runner completes the first km in 6 minutes, the second km in 7 minutes, and the final km in 7 minutes. The average speed of the runner for the race is approximately what?A) 6.7...
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#### A deer moves East through the Forest at 4 m/s for 10 seconds. What is the deer's displacement?

The choices A) 40 mB) 4 m/s East C) 40 m EastD) 40 m/s

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