Three kid pull on a toy, Kim pulls with a force of 30 N north, Jim pulls with a

Question

Three kid pull on a toy, Kim pulls with a force of 30 N north, Jim pulls with a force of 30 N south, and Tim pull, with a force of 15 N east. The acceleration of the toy is 33m/s^2 15 m/s^2. 10 m/s^2. need more information As water drop, fall at a steady rate from a leaking faucet they get closer together. get farther apart. remain at a relatively fined distance from one another. A car by itself is, capable of a certain maximum acceleration. When it tows a car of the same mass, its maximum acceleration is one third. the same. one fourth one half. none of these A rock weighs 30 N on Earth and another rock weighs 30 N on the Moon. Which rock has the greater mass? the one on Earth They have the same mass. the one on the Moon not enough information If the Moon had twice as much mass and still orbits Earth at the same distance, ocean bulges on Earth would be unequal in size. not significantly different. larger. smaller. none of the above The Earth is closer to the Sun in January than in July, which accounts for the fact that the highest high tides in the Northern Hemisphere occur in winter. Summer. spring. none of the above

Explanation / Answer

1.D) need more information because the force is clearly 15N east but inorder to calculate accelation information about mass is compulsory

2.C) remain at a relatively fixed distance from one another

3.d) one half. initial accelaration a1= F/m

Final accelaration a2= F / 2m = a1 / 2

4.weight of the first rock on earth w1 = 30N

weight of the second rock on earth w2= 30 * 6 =180N

hence second rock has the greater mass

is. C) the one on the moon is the answer

5.C) larger . beacause higher is the mass greater is the gravitational pull

6.A) winter

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