Need
1. a 2-kg toy car accelerates from 0 to 5 m/s.
a. 25 joules of work is done...
Need
1. a 2-kg toy car accelerates from 0 to 5 m/s.
a. 25 joules of work is done by the object.
b. 25 joules of work is done on the object.
c. 75 joules of work is done by the car.
d. 75 joules of work is done on the car.
e. no work is done on or by the object.
2. a 2-kg toy car originally moving at 5 m/s is brought to rest.
a. 25 joules of work is done by the object.
b. 25 joules of work is done on the object.
c. 75 joules of work is done by the car.
d. 75 joules of work is done on the car.
e. no work is done on or by the object.
3. a 2 kg toy car is held at a height of 3.75 m above the floor.
a. 25 joules of work is done by the object.
b. 25 joules of work is done on the object.
c. 75 joules of work is done by the car.
d. 75 joules of work is done on the car.
e. no work is done on or by the object.
4. a 2-kg toy car accelerates from 5 to 10 m/s.
a. 25 joules of work is done by the object.
b. 25 joules of work is done on the object.
c. 75 joules of work is done by the car.
d. 75 joules of work is done on the car.
e. no work is done on or by the object.
5. a 2-kg toy car accelerates from 10 to 5 m/s.
a. 25 joules of work is done by the object.
b. 25 joules of work is done on the object.
c. 75 joules of work is done by the car.
d. 75 joules of work is done on the car.
e. no work is done on or by the object.
Answers: 2
Other questions on the subject: Physics
Physics, 22.06.2019 10:30, tay8556
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
Physics, 22.06.2019 11:50, brendaesme
Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.
Answers: 2
Physics, 22.06.2019 18:30, kalithekittenqueen
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
Physics, 22.06.2019 23:30, angoraspinner
Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence
Answers: 3
Do you know the correct answer?
Questions in other subjects:
