Entries by Grace Wahito

Let A⃗ =4ı^−2ȷ^, B⃗ =−3ı^+5ȷ^, and E⃗ =4A⃗ +2B⃗

March 7, 2020 in /by

Let A⃗ =4ı^−2ȷ^, B⃗ =−3ı^+5ȷ^, and E⃗ =4A⃗ +2B⃗ .a.) Write vector E⃗  in component form b.) Draw the vectors with their tails at the origin. c.) What is the magnitude of vector E⃗ ? d.) What is the direction of vector E⃗ ? (counterclockwise from positive direction of x-axis )   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code […]

 

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Sam, whose mass is 71 kg , takes off across level snow on his jet-powered skis.

March 7, 2020 in /by

Sam, whose mass is 71 kg , takes off across level snow on his jet-powered skis. The skis have a thrust of 210 N  and a coefficient of kinetic friction on snow of 0.1. Unfortunately, the skis run out of fuel after only 13 s . A.)What is Sam’s top speed? B.)How far has Sam […]

 

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The crankshaft in a race car goes from rest to 3240rpmin 3.3s.

March 7, 2020 in /by

The crankshaft in a race car goes from rest to 3240rpmin 3.3s.A:What is the crankshaft’s angular acceleration?Express your answer using two significant figures. B: How many revolutions does it make while reaching 3240rpm?Express your answer using two significant figures.   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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Which of the following statements is true concerning velocity, speed, and acceleration? (Points : 10)

March 7, 2020 in /by

Which of the following statements is true concerning velocity, speed, and acceleration? (Points : 10)   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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