Plan an investigation to provide evidence that the change in an object's motion depends on the sum of the forces on the object and the mass of the object.
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Q 1/4
Score 0
If a homemade roller coaster model starts at a height of 8 feet, which of the hills below would cause the roller coaster to stop?
60
A hill that goes up to 3 feet.
A hill that goes up to 8.5 feet.
A hill that goes up to 5 feet.
A hill that goes up to 7 feet.
Q 2/4
Score 0
Juan's roller coaster has a loop at the end, and each time he rolls the marble down the coaster-the marble slows down and falls off without completing the loop. What might be the problem with Juan's roller coaster?
60
His roller coaster needs more hills or turns before the loop,
His roller coaster needs to take away kinetic energy from the marble to make it get through the loop.
His roller coaster could use less hills and turns before the loop.
4 questions
Q.
If a homemade roller coaster model starts at a height of 8 feet, which of the hills below would cause the roller coaster to stop?
1
60 sec
MS-PS2-2
Q.
Juan's roller coaster has a loop at the end, and each time he rolls the marble down the coaster-the marble slows down and falls off without completing the loop. What might be the problem with Juan's roller coaster?
2
60 sec
MS-PS2-2
Q.
If you have a bowling ball (7 kg) traveling at 5 m/s and a bowling ball (8 kg) traveling at 3 m/s, which one has the most kinetic energy?
3
60 sec
MS-PS2-2
Q.
A skydiver whose mass is 100 kg and a skydiver whose mass is 80 kg jump out of a plane at 10,000 feet above the earth's surface. Which skydiver would have the most potential energy?
