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tasha
Questions (114)
At the Indianapolis 500, you can measure the speed of cars just by listening to the difference in pitch of the engine noise
1 answer
763 views
A bicyclist traveling with speed v=3.3 m/s on a flat road is making a turn with a radius r=8.6 m. The forces acting on the
0 answers
687 views
How long will it take a 1000-kg car with a power output of 20 kW to go from 10m/s to 20 m/s?
Ignoring friction, the change in
0 answers
725 views
Which of these energies might correspond to the KE of a person riding a bicycle on a road? 10 J; 1 kJ; 100kJ
KE is 1/2 mv^2. Take
1 answer
507 views
A crane whose motor has a power input of 5.0 kW lifts a 120-kg load of bricks through a height of 30m in 90s. what is the
0 answers
1,175 views
the acceleration of gravity on the surface of Mars is m/s squared. if an astronaut in a space suit can jump upward 20cm on the
0 answers
725 views
How much work is needed to raise a 110-kg load of bricks 12m above the ground to a building under construction?
According to the
0 answers
1,167 views
What is the speed of an 800-kg car whose KE is 250 kJ?
Use the formula KE = (1/2) M V^2 Rearrange it to solve for V. You'll need
1 answer
1,414 views
the potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumstances(if any) is the
1 answer
752 views
what, if anything, happens to the speed of a fighter plane when it fires a cannon at an enemy plane in front of it?
0 answers
729 views
One of the adjustments for the worksheet says:
* Of the $25 369.20 shown on the trial balance under Materials Used, $2 850 is
0 answers
868 views
What is the role of rhetoric in influencing people's attitudes and beliefs? How can readers distinguish between prejudicial and
0 answers
577 views
Richard III supposedly had the young princes murdered. Never found out what really happened to them.
Thank you for using the
1 answer
618 views
fator out the greatest common factor: 11y-22
11y-22 = 11y - 2*11 = 11*something What is the something? Your common factor is 11,
0 answers
441 views
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