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1. how does potential energy affect kinetic energy
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2. 3,000 Joules of heat is added to solid gold. All the heat goes into changing solid gold into liquid gold. How much gold is
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3. Which terms correctly represent a vector quantity and its respective unit?a speed - meters per second b weight - kilogram c mass
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4. A pushing force of 7 N to the right is applied to a book on a table. A frictional force of 3 N is applied in the opposite
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5. If motion is perpendicular to force, no work has been done.Group of answer choices True False
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6. Which of the following describes the ideal mechanical advantage?Effort Distance / Resistance Distance Force x Distance Force x
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7. An object starts moving from point A and continues along a straight path from A to point D.If the object starts moving from
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8. Suppose an adult pulls on the rope of a sled with a force of 85N and at an angle of 26° with the ground. If the sled moves 40 m
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9. Assuming no friction, what is the minimum work needed to push a 2,222 kg truck 53 m up a 10° incline?
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10. Assuming no friction, what is the minimum work needed to push a 1,755 kg car 65 m up a 20° incline?
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11. Suppose a 115 N force is applied to a lawnmower handle at an angle of 25° with the ground and the lawnmower moves along the
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12. Suppose a 115 N force is applied to a lawnmower handle at an angle of 25° with the ground and the lawnmower moves along the
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13. My car hits a mosquito, and the mosquito hits back, equally.a 3rd Law b 1st Law c 2nd Law
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14. A 5 kg metal cart is sitting at rest on a frictionless ice surface. Another metal cart whose mass is 1 kg is propelled at the
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15. A 1 lb. photo frame is placed 5 feet above the floor and another 1 lb. photo frame is placed 3 feet above the floor. Which of
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16. A 4 kg object is lifted from the floor and placed on a shelf that is 3 m above the floor. If the object falls off the shelf and
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17. A 48 kg train is sitting at rest on the track. Another train whose mass is 52 kg hits the first train in a one-dimensional
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18. What amount of work must a 55 kg runner do to accelerate from rest to a velocity of 3 m/s?
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19. A 48 kg train is sitting at rest on the track. Another train whose mass is 52 kg hits the first train in a one-dimensional
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20. A 5 kg metal cart is sitting at rest on a frictionless ice surface. Another metal cart whose mass is 1 kg is propelled at the
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21. A book is at rest on a flat table. A person gives the book a shove and it slides across the table. The book eventually comes to
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22. Two particles ina particle accelerator are moving tdowards each other. They each have a speed of 250,000km/s relative to the
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23. If an object's position remains constant as a function of time, what must dbe true about its aacceleration and velocdity?Acceler
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24. 3. A runner starts at Point B and runs to point A then to point D and finally stops at point C. The runner's total distance was
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25. 3. A runner starts at Point B and runs to point A then to point D and finally stops at point C. The runner's total distance was
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26. A 16-pound bowling ball strikes a 3.5-pound bowling pin. The pin is moving very fast after the collision. It has a large
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27. Use the table to answer the question. Object Mass (grams) table tennis ball 2.7 baseball 147.0 small rock 248.2 penny 2.5 A
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28. Two teams are playing tug of war. The tables show the members of each team and how much pulling force each team member applies
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29. Determine the forces that are working against the object in the picture. Write an explanation or draw a free body diagram of
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30. Change the voltage of the battery from 9 V to 15 V by Ctrl-clicking on the battery and selecting “Change voltage”.Use the
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31. In one or two sentences, make a hypothesis about whether or not it is easier to start the box moving than to keep it moving on a
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32. Use the graph of velocity vs. time for an object to answer the question.An illustration shows the velocity versus time graph.
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    2. asked by hudson
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33. HYPOTHESIS #2 - Current will vary throughout a:Choose one • 0 points Series circuit Parallel circuit
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34. In 1-2 sentences, summarize why the force required to move a ping pong ball is less than the force required to move a bowling
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35. What is the magnitude of a force?(1 point)Responses the type of force the type of force the motion of the force the motion of
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    2. asked by loaf
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36. The Inverse Square Law applies to:Intensity of Sound Gravitational Force Intensity of Light Electric Force Magnetic Force
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37. The electric field induces the flow of electrons, known as _____.voltage electric current resistance interference
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38. The light waves have that particular interference from question #1 because they are emitted _____.in phase out of phase in
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39. Which direction will the box move in the diagram below?* 1 point The box will move to the left The box will move to the right
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40. A student is using two neutral conducting spheres with equal negative and positive charges. She wants to separate the charges of
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41. In 3-5 sentences, summarizes the balanced forces that are present when a soccer ball us resting on the ground, and the
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42. In 1-2 sentences, describe what would happen to the arrows and forces if the surface that the crate was on ice. Hint ice has
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43. Imagine a scenario in which an animals force is pushing itself forward 5 N, friction is pushing it 4 N backward, gravity is
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44. Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the
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45. While you push a box you begin to decrease the force you are exerting on the box. When will the box reach static equilibrium?(1
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46. Two movers are attempting to push a couch up a ramp. One movers applies a force of 80 N to the right, but the force of friction
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47. Two mental balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and
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    2. asked by Sandra Trea
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48. A bowler throws a ball down the lane toward the pins. The ball reaches the pins and slowly moves through them, knocking down the
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49. A body is projected vertically upwards from point a the top of a tower it reaches the ground in t1 secondif it is projected
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50. A→B: If the temperature increases, the particle speed is increasing; if the temperature is constant, the particle speed is
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