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A crazed 4-year old on a tricycle is chasing Jordan. When the child hits Jordan his acceleration is 1.5m/s2 and his mass is 32 kg. What is the force applied on Jordan by the angry 4-year old?
The distance between successive crest in a sequence of water waves is 4.0 m and the crests travel 9.0 m in 4.5 s. Determine the frequency of the waves?
A 1.3 kg mass on a spring consists of a maximum speed of 1.4m/s and a spring’s constant of 3.4 N/m. Determine its displacement when it is moving at 0.65m/s?
A person on a dock counts 8 troughs going by in 20 seconds. The distance between the troughs is .75m. Determine the speed of the waves?
A 915 kg car goes over a hill. If the radius of this curve is 43 m, how fast should the car travel so that it applies no force on the road at the crest?
You are riding your bike on a track which makes a vertical circular loop. The diameter of this loop is 10.0 m, how fast would you have to travel in order to remain in the loop?
Compute the speed of the moon in its orbit around the earth. (Radius of orbit 3.85 x 108 m and mass of moon 7.4 x 1022 kg).
On the surface of Planet Y, which has a mass of 4.83 x 1024 kg, an object has a weight of 50.0 N and a mass of 30.0 kg. Find out the radius of this planet?
At what height above the surface of the earth would a space station require to orbit if its orbital period is 18 hrs?
Find out the co-efficient of friction of an unbanked corner if a truck can navigate the 25.0 m radius corner at a maximum speed of 18 m/s?
A heavy object is dropped. When this object reaches a speed of 3.2 m/s as it hits the floor, from what height was it dropped?
A gymnast is jumping on a trampoline. She applies a force of 1000 N on the trampoline stretching it 1.5 m. If her mass is 45 kg, what height above the trampoline will she reach?
A sled reaches the bottom of a hill where it slows from 18.0m/s to a stop in 25 m. Find out the force of friction if the sled has a mass of 75 kg?
The coefficient of friction between a curling rock and the ice is .04. If the mass of the rock is 18 kg, determine the acceleration of the rock if it has just been discharged by the curler? &n
A pair of figure skaters on frictionless ice pushes off each other. Skater 1 has a mass of 79 kg and accelerates at 2.5m/s2. Skater 2 accelerates at 3.6m/s2, what is her mass?
A plane begins from rest and travels 800m down a runway in 14 seconds. Find out the acceleration of the plane?
A large stone (m = 250kg) is being pulled by two trucks. One truck pulls with a force of 800 N due north, the other pulls with a force of 100 N at 30º E of N. Find out the acceleration of the s
What is the total displacement of the given vectors, 20.5m at 32º E of N and 41m at 70º S of E?
A commercial airliner travels due west for 350 km then turns and travels at 240 km at 35.0o north of west. If this complete trip takes 2.5 hours, find out the velocity of the plane?
Why is it those two identical plants (grown from clippings of similar plant) might grow up to look completely different?
Why was multicellularity so superior to unicellularity? What competitive benefit did it serve?
What processes or properties are used in both intracellular transport and transport in multi-cellular organisms? How are they utilized?
Color Blindness is caused by a person’s cells being not capable to produce some proteins. Where in the cell does the problem lie?
Transport in plant and animal cells is completed in the similar fashion. Why would this have been kept the same (evolutionarily speaking) when so many other things have been modified?
What are the three main points of the cell theory?