Question

a. A toy car is accelerated from rest to 0.620 m / s in 20.0 ms....

a. A toy car is accelerated from rest to 0.620 m / s in 20.0 ms. The mass of the cart is 560 g. Determine the average power applied to the cart.

b. An elevator with 8.00 x 102 kg of mass hangs from a cable. The elevator accelerates downward at a rate of 1.80 m / s2. Determine the cable tension.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A freight elevator in the Burj Khalifa tower in Dubai is lifted from rest by a...
A freight elevator in the Burj Khalifa tower in Dubai is lifted from rest by a cable and accelerated to its maximum climb speed in a distance of 3.00 m and within a time interval of 1.73 s. Assume this "lift-off" phase is at constant acceleration. a) If the average power associated with the tension in the cable is 82.0 kW during the acceleration phase, what is the magnitude of the tension in the cable during this phase? b) What...
A 1200 kg elevator accelerates upward at 1.30 m/s2 for 11.0 m , starting from rest....
A 1200 kg elevator accelerates upward at 1.30 m/s2 for 11.0 m , starting from rest. A.How much work does gravity do on the elevator? Express your answer with the appropriate units. B. How much work does the tension in the elevator cable do on the elevator? Express your answer with the appropriate units. C.How much work does the tension in the elevator cable do on the elevator? Express your answer with the appropriate units. D. What is the speed...
a car accelerates uniformly from rest to 24.1 m/s in 9 s along a level stretch...
a car accelerates uniformly from rest to 24.1 m/s in 9 s along a level stretch of road. Ignoring friction , determine the average power required to accelerate the car if the mass of the car is 1,131 kg
a 2500 kg car accelerates uniformly from rest to 15.0 m/s in 8.00 s. What is...
a 2500 kg car accelerates uniformly from rest to 15.0 m/s in 8.00 s. What is the work done on the car in this time interval? What is the power delivered by the engine in this time interval? Answer in 3 decimal places, and include full equation please
an elevator of mass m = 400 kg starts from rest and is lowered to the...
an elevator of mass m = 400 kg starts from rest and is lowered to the ground by a rope in three stages. During the first second, it accelerates at 3 m/s^2 downward, then continues at a constant speed for six seconds, then slows down to a rest at 1 m/s^2 for three seconds. a) find the initial height of the elevator. b) find the total work done by the elevator by the rope. c) find the average power done...
A car accelerates uniformly from rest to 17.9 m/s in 6.31 s along a level stretch...
A car accelerates uniformly from rest to 17.9 m/s in 6.31 s along a level stretch of road. Ignoring friction, determine the average power required to accelerate the car if (a) the weight of the car is 8.28 x 103 N, and (b) the weight of the car is 1.58 x 104 N.
A jogger accelerates from rest to 3.04 m/s in 2.45 s. A car accelerates from 16.4...
A jogger accelerates from rest to 3.04 m/s in 2.45 s. A car accelerates from 16.4 to 28.4 m/s also in 2.45 s. (a) Find the magnitude of the acceleration of the jogger. (b) Determine the magnitude of the acceleration of the car. (c) How much further does the car travel than the jogger during the 2.45 s?
A jogger accelerates from rest to 2.23 m/s in 3.48 s. A car accelerates from 18.4...
A jogger accelerates from rest to 2.23 m/s in 3.48 s. A car accelerates from 18.4 to 30.7 m/s also in 3.48 s. (a) Find the magnitude of the acceleration of the jogger. (b) Determine the magnitude of the acceleration of the car. (c) How much further does the car travel than the jogger during the 3.48 s?
3. A helicopter travelling at a velocity of 15 m/s [W] accelerates uniformly at a rate...
3. A helicopter travelling at a velocity of 15 m/s [W] accelerates uniformly at a rate of 7.0 m/s2 [E] for 4.0 s. What is the helicopter’s final velocity? 4. Two go-carts, A and B, race each other around a 1.0 km track. Go-cart A travels at a constant speed of 20.0 m/s. Go-cart B accelerates uniformly from rest at a rate of 0.333 m/s2 . Which go-cart wins the race and by how much time? 5. A boat increases...
The electric motor of a model train accelerates the train from rest to 0.640 m/s in...
The electric motor of a model train accelerates the train from rest to 0.640 m/s in 17.0 ms. The total mass of the train is 875 g. Find the average power delivered to the train during its acceleration.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT