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Physics -- check answers please

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1. A boy pushes a car to slow it down while the car is rolling horizontally down the road. If the boy pushes backwards on the
1. 4 answers
2. asked by Jessica
3. 4,434 views
Use g=10 N/kg in this assignment.1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of
1. 5 answers
2. asked by Liz
3. 3,386 views
1. Which of the following energy transformations best describes the operation of a solar powered battery charger?(a) electrical
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2. asked by Jessica
3. 2,947 views
1. Which of the following best shows the transfer of heat by radiation?my answer: c 2. Which of the following best shows the
1. 4 answers
2. asked by Lisa
3. 1,906 views
I am to fill in the blanks without a word bank, my answers are in brackets.1. A ____ diffraction pattern is unique because it
1. 4 answers
2. asked by Liz
3. 2,657 views
1. In moving an object of mass 10 kg through a distance of 8.0 m, 40 J of work is done. The average force exerted is?my answer:
1. 3 answers
2. asked by Lisa
3. 1,435 views
1. what is 67 K equivalent to in Celsius?answer: -206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely
1. 3 answers
2. asked by Lisa
3. 877 views
1. what is 67 K equivalent to in Celsius?answer: -206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely
1. 3 answers
2. asked by Lisa
3. 1,516 views
The earth's magnetic fielda) is slightly off centre compared to the Earth's rotational axis of rotation b) has its magnetic
1. 4 answers
2. asked by Liz
3. 1,315 views
1. If 31 waves pass by a point in 1.7 s, what's the frequency?my answer: 18.2 Hz 2. if a crest with an amplitude of 7cm
1. 2 answers
2. asked by Liz
3. 483 views
Light travelling in water is incident on air refracts at an angle of 27 degrees. What is the angle of incidence?my answer: 37
1. 2 answers
2. asked by Liz
3. 527 views