Please help me answer a few questions. If you can't answer more than one, please kindly ignore answering at all and give someone else the opportunity to answer the questions. Chegg only gives us a limited amount of questions to post monthly, and I'm trying to utilize it wisely. I'll upvote. 🙏 Thanks.
Physics 1
Chapter 4 Practice Questions
1. A 27 kg object is accelerated at a rate of 1.7 m/s^2. What force does the object experience?
A) 46N
B) 16N
C) 63N
D) 98N
2. It takes 4500 N to accelerate a car at a rate of 342 m/s^2. What is the mass of the car?
A) 1310kg
B) 1700 kg
C) 1510kg
D) 1040kg
3. A Ferrari accelerates from 0 to 100.0 km/h in 4.80 s. What force in Newtons does a passenger of mass 68.0 kg experience during acceleration?
A) 394N
B) 82.0N
C) 342N
D) 31N
4. A child pulls on a wagon handle at an angle 37° above the horizontal with a force of 45 N. If the wagon accelerates at 5.1 m/s horizontally, what is the mass of the wagon? Assume frictional forces are negligible.
A) 4.4kg
B) 5.6kg
C) 3.1kg
D) 3.7kg
5. A child on a sled starts from rest at the top of a 15.0 slope. If the trip to the bottom takes 15.2 s, how long is the slope? Assume that frictional forces may be neglected.
A) 293 m
B) 586m
C) 1130m
D) 147m
6. On its own, a tow truck has a maximum acceleration of 3.0 m/s^2. What would be the maximum acceleration when the truck was towing a bus of twice its own mass?
A) 2.5m/s^2
B) 2.0m/s^2
C) 1.5m/s^2
D) 1.0m/s^2
7. The engine of a 1250 kg car provides a forward directed force of 3651 N. If the car accelerates at a rate of 260 m/s^2, what is the total resistive force (wind resistance, friction, etc.) acting on the car?
A) 401N
B) 8600 N
C) 2400N
D) 485N
