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A bird of mass 2 kg is ﬂying at 10 m s

−1 in latitude 60◦N, heading due east. Find the horizontal and vertical components of the Coriolis force acting on it.

A force of magnitude 100N is directed westward and a second force of magnitude 200N is directed 60 degrees north of east. Find the magnitude and direction of the third force that when added to the first 2 forces gives a resultant whose magnitude is 150N and points 30 degrees north of east?

A bucket mass of 1 kg is whirled in a vertical circle of radius 1 m. How fast must the bucket move at the top of the circle so that the rope doesn't slack?

A bus is moving at 5.0 m/s when a passenger walks forward at 1.5 m/s relative to the bus. How fast is this passenger moving as seen and measured by (a) a person waiting at the bus stop and (b) the driver of the bus?

A 60 kg woman walking through an alley accidentally broke the heel of her left high-heeled. shoes. Now the woman tries to balance on one heel of a pair of high-heeled shoes. If the heel is circular and has a radius of 0.500 cm

The formula h (t) = -4.9t² + 20t+ 80 gives the height (h) above ground in meter (m) of an object thrown at t=0, straight upwards from the top of a tower 80m height.

1)What is the height point reached by the object ?

2) After how many seconds does the object hit the ground?

This question is based on projectile.

The moon has a mass of 7.34 x 10²²kg and a radius of 1.74 x 10⁶ meters. If you have a mass of 66kg, how strong is the force between you and the moon?

A 1.72 kg ball rolls on a frictionless horizontal surface at 4.19 m/s and collides with a stationary block of mass 1.23 kg which is attached to horizontal spring whose force constant is 1695 N/m. Right after impact, the ball bounces on the opposite direction at 1.59 m/s. To what distance will the spring be compressed?

If the acceleration of an object is zero and. Its velocity is non zero what can you say about the motion of an object

6. A piece of aluminum with mass 1.00 kg and density 2 700 kg/m³ is suspended from a string and then completely immersed in a container of water. Calculate the tension in the string (a)

before and (b) after the metal is immersed.

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