07/29/23

vectors problems
Classify each measurement as a vector or a scalar.  The volume of a bottle is 591 mL A car is travelling at 85 km/h proju→v→ A ship is sailing at 45 knots with a bearing of 172° AB→ The moon’s... more
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07/27/23

physics word problem

A small catapult is used to launch 1.5 kg water balloons straight up into the air. A clever student is able to measure the speed of the water balloon while it is rising up into the air. She finds... more
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07/25/23

Elastic Collision
A 42.0 g marble moving at 2.20 m/s strikes a 22.0 g marble at rest. Note that the collision is elastic and that it is a "head-on" collision so all motion is along a line.What is the speed of... more
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07/17/23

forces physics unit
On Monday, NASA launched a 550 kg satellite into space. Its engines have a thrust of 8000 N. (7 marks)a) What is the downward force of gravity acting on the rocket at blast-off?b) What is the... more
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