sci

Do you know any wbsites where i can read the whole book Magic tree house Dragon of the Red Dawn? Please I need to read that book very badly. :(

approximate 4 square root of 15.8

In an experimental setup, a car has one end of a string attached to it, and the other end is attached to a fixed number of metal discs. The car moves along the table and two probes sense the motion of the car. The probes send information to a computer tha...

4. Imagine a scenario in which an animal's force is pushing itself forward 5 N, friction is pushing it 4 N backward, gravity is pushing the animal 10 N down, and the animal is pushing itself 10 N up. Describe the movement of the animal.(1 point) Responses...

Two rockets with the same mass are accelerated. Rocket A accelerates twice as quickly as rocket B. Which statement is correct?(1 point) Responses The motor in rocket A is four times as powerful as the motor in rocket B. The motor in rocket A is four times...

A model rocket has a mass of 0.2 kg, with a motor that can provide a force of 100 N. A second model rocket is being built with the same motor, but it is being designed to accelerate half as much as the first rocket. What kind of change can be made in the...

7. Five motorboats are being tested to see which reaches the highest velocity in the same amount of time. After graphing the acceleration versus force for each motorboat, the graph is a sloped line with a y-intercept of zero. Which statement is correct ab...

If a soccer ball’s mass is 5 kg and a player who weighs 50 kg kicks the soccer ball forward with a force of 5 N , how much force does the ball exert on the player’s foot and in what direction?(1 point) Responses 5 N backward 5 N backward 5 N forward 5 N f...

A toy helicopter flies forward with a force of 15 N into an oncoming wind of 10 N. The force of gravity pulls the helicopter down with a force of 5 N, but the propeller is providing an upward force of 10 N. Which of the following accurately describes the...

. Which of the following is a reason why the force required to move a ping pong ball is less than the force required to move a bowling ball? Please select ALL that apply.(1 point) Responses A bowling ball has more mass than a ping pong ball. A bowling bal...

1. What is the main difference between velocity and acceleration?(1 point) Responses The velocity of an object refers to its speed in a given direction. The acceleration of an object refers to an object’s change between its initial velocity and its final...

. A soccer ball is resting on the ground, at rest. What is necessary in order to make the soccer ball move?(1 point) Responses a balanced force a balanced force an unbalanced force an unbalanced force gravity gravity momentum momentum