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Which of the following has a higher kinetic energy?A 1000 kg car rolling at a speed of 5 m/s across the floor or a 1500 kg hippo
1. 1 answer
2. 365 views
How can you strengthen an electromagnet? **Choose all that apply.**a increase the current b decrease the current c increase the
1. 1 answer
2. 92 views
Two objects are sitting on a table. Thermal energy is being transferred from one object to another. When does this transfer of
1. 1 answer
2. 199 views
The heat from the Sun reaches the Earth through empty space. This must mean the heat transfer being used is radiation.True False
1. 1 answer
2. 212 views
Christopher and his mother went on a camping trip. His mother struck a match to light a lantern. Which forms of energy did the
1. 1 answer
2. 125 views
A force acting on an object does NO work if:a the object accelerates b the force is greater than the force of friction c the
1. 1 answer
2. 235 views
A solid object at 30°C is placed inside a container of liquid at 60°C.What most likely will be observed? a The temperature of
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2. 168 views
how many 2-inch squares fit inside a rectangle 6 inches by 8 inches
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2. 783 views