A student drops a basketball into a pool from a height of 5 meters while a friend records the approximate splash height. They want to make a bigger splash in their next trial. How can they achieve this?(1 point)
Responses
They can use a ball with the same diameter but more mass.
They can use a ball with the same diameter but more mass.
They can drop the same ball from a lower height.
They can drop the same ball from a lower height.
They can use a ball with the same diameter but less mass.
They can use a ball with the same diameter but less mass.
They can drop the same ball with less speed.
9 answers
They can drop the same ball with less speed.
Which characteristic will be affected by increasing the speed of an object from 30 meters per second ( ms
) to 40 meters per second( ms
)?(1 point)
Responses
mass
mass
kinetic energy
kinetic energy
weight
weight
gravitational attraction
) to 40 meters per second( ms
)?(1 point)
Responses
mass
mass
kinetic energy
kinetic energy
weight
weight
gravitational attraction
kinetic energy
Two watermelons fall off a kitchen counter. The masses and speeds of the fruits are in the table. How do the kinetic and/or the potential energies of the fruits compare?(1 point)
Responses
The watermelon A has more kinetic energy.
The watermelon A has more kinetic energy.
Both fruits have the same kinetic and potential energy.
Both fruits have the same kinetic and potential energy.
The watermelon B has more kinetic energy.
The watermelon B has more kinetic energy.
Both fruits have only potential energy and no kinetic energy.
Responses
The watermelon A has more kinetic energy.
The watermelon A has more kinetic energy.
Both fruits have the same kinetic and potential energy.
Both fruits have the same kinetic and potential energy.
The watermelon B has more kinetic energy.
The watermelon B has more kinetic energy.
Both fruits have only potential energy and no kinetic energy.
The watermelon A has more kinetic energy.
A student drops a 350-gram rock and a 500-gram rock into a pool from a height of 8 meters. Which statement about the investigation is accurate?(1 point)
Responses
The 350-gram rock causes a smaller splash because it has more kinetic energy.
The 350-gram rock causes a smaller splash because it has more kinetic energy.
The 500-gram rock causes a larger splash because it has more kinetic energy.
The 500-gram rock causes a larger splash because it has more kinetic energy.
The 500-gram rock causes a smaller splash because it has more mass.
The 500-gram rock causes a smaller splash because it has more mass.
The 350-gram rock causes a larger splash because it has less mass.
Responses
The 350-gram rock causes a smaller splash because it has more kinetic energy.
The 350-gram rock causes a smaller splash because it has more kinetic energy.
The 500-gram rock causes a larger splash because it has more kinetic energy.
The 500-gram rock causes a larger splash because it has more kinetic energy.
The 500-gram rock causes a smaller splash because it has more mass.
The 500-gram rock causes a smaller splash because it has more mass.
The 350-gram rock causes a larger splash because it has less mass.
The 500-gram rock causes a larger splash because it has more kinetic energy.
A student drops several objects of the same size into a bucket of water from a height of 2 meters. She ranks the splash size from 1-4, with 1 being the smallest splash and 4 being the largest splash. Which object most likely has the greatest mass?
(1 point)
Responses
object X
object X
object Z
object Z
object W
object W
object Y
(1 point)
Responses
object X
object X
object Z
object Z
object W
object W
object Y
object W