Physics 101-001 Final Review Paper
Physics 101-001 Final Review
Summer 2006
Answers are at the end
1. A car starts from rest and accelerates at a rate of 5 m/s2. How long does it take the car to go 30 m?
(a) 6 s (b) 90 s (c) 150 s (d) 0.17 s (e) 3.5 s
2. If I throw a ball straight up with an initial speed of 25 m/s, how high will it rise?
(a) 25 m (b) 2.6m (c) 32m (d) 20m (e) 13m
3. I throw a ball off a cliff 40 meters high. If the ball is thrown horizontally at a speed of 12 m/s, how far will it go before hitting the ground below?
? (a) 48m (b) 39m (c) 7.3m (d) 24m (e) 34m
4. If I throw a rock straight up in the air, and ignore air resistance, then at the top of its arc it will have an acceleration (in m/s2) of
(a) …show more content…
(b) The car exerts a greater force on the truck than the truck exerts on the car.
(c) Neither the truck nor the car exerts a force on the other, since they are traveling at a constant speed.
(d) The force exerted by the car on the truck is equal to the force exerted by the truck on the car.
(e) The car exerts a force on the truck, but the truck does not exert a force on the car.
7. A given force F accelerates a given mass m at a rate of 2 m/s2. The same force will accelerate a mass of half the magnitude (m/2) at a rate of
(a) 1 m/s2 (b) 2 m/s2 (c) 4 m/s2 (d) 0.5 m/s2 (e) 8 m/s2
8. A car of mass 1000 kg rounds an unbanked curve of radius 80 m. If the coefficient of static friction between the tires and the road is 0.6, what is the maximum speed the car can go without slipping?
(a) 9.8 m/s (b) 21.7 m/s (c) 470 m/s (d) 32.5 m/s (e) 15.1 m/s
9. Two boxes, of mass 8 kg and 5 kg, respectively, are connected by a string. The 5 kg box is pulled to the right by a second string with a tension force of T = 40N. What is the tension in the connecting string?
? 40N
8kg …show more content…
(b) the moving air above is at lower pressure than the stationary air below.
(c) the buoyancy of the paper is increased.
(d) paper is less dense than air.
24. A wave on a long spring has a wavelength of 2 meters when I shake the spring with a frequency of 60 Hz. If I shake the same spring with a frequency of 30 Hz, what will the wavelength then be?
(a) 2 m (b) 4 m (c) 8 m (d) 1 m (e) 0.5 m
25. A standing wave is established in a 1.5 m long string fixed at both ends. The string vibrates in 2 segments when vibrating at 80 Hz. What is the speed of traveling waves on this string?
(a) 80 m/s (b) 120 m/s (c) 40 m/s (d) 54 m/s (e) 20 m/s
26. A mass on a spring oscillates with a frequency of 20 Hz. If I place a lighter mass on the same spring, the frequency will
(a) be unchanged (b) increase (c) decrease
27. A sound wave of loudness 40 dB has an intensity of ____ times the reference intensity Io.
(a) 4 (b) 40 (c) 0.4 (d) 1040 (e) 104
28. Which of the following actions will produce a lower pitch on a guitar string?
(a) increase the tension (b ) shorten the
Summer 2006
Answers are at the end
1. A car starts from rest and accelerates at a rate of 5 m/s2. How long does it take the car to go 30 m?
(a) 6 s (b) 90 s (c) 150 s (d) 0.17 s (e) 3.5 s
2. If I throw a ball straight up with an initial speed of 25 m/s, how high will it rise?
(a) 25 m (b) 2.6m (c) 32m (d) 20m (e) 13m
3. I throw a ball off a cliff 40 meters high. If the ball is thrown horizontally at a speed of 12 m/s, how far will it go before hitting the ground below?
? (a) 48m (b) 39m (c) 7.3m (d) 24m (e) 34m
4. If I throw a rock straight up in the air, and ignore air resistance, then at the top of its arc it will have an acceleration (in m/s2) of
(a) …show more content…
(b) The car exerts a greater force on the truck than the truck exerts on the car.
(c) Neither the truck nor the car exerts a force on the other, since they are traveling at a constant speed.
(d) The force exerted by the car on the truck is equal to the force exerted by the truck on the car.
(e) The car exerts a force on the truck, but the truck does not exert a force on the car.
7. A given force F accelerates a given mass m at a rate of 2 m/s2. The same force will accelerate a mass of half the magnitude (m/2) at a rate of
(a) 1 m/s2 (b) 2 m/s2 (c) 4 m/s2 (d) 0.5 m/s2 (e) 8 m/s2
8. A car of mass 1000 kg rounds an unbanked curve of radius 80 m. If the coefficient of static friction between the tires and the road is 0.6, what is the maximum speed the car can go without slipping?
(a) 9.8 m/s (b) 21.7 m/s (c) 470 m/s (d) 32.5 m/s (e) 15.1 m/s
9. Two boxes, of mass 8 kg and 5 kg, respectively, are connected by a string. The 5 kg box is pulled to the right by a second string with a tension force of T = 40N. What is the tension in the connecting string?
? 40N
8kg …show more content…
(b) the moving air above is at lower pressure than the stationary air below.
(c) the buoyancy of the paper is increased.
(d) paper is less dense than air.
24. A wave on a long spring has a wavelength of 2 meters when I shake the spring with a frequency of 60 Hz. If I shake the same spring with a frequency of 30 Hz, what will the wavelength then be?
(a) 2 m (b) 4 m (c) 8 m (d) 1 m (e) 0.5 m
25. A standing wave is established in a 1.5 m long string fixed at both ends. The string vibrates in 2 segments when vibrating at 80 Hz. What is the speed of traveling waves on this string?
(a) 80 m/s (b) 120 m/s (c) 40 m/s (d) 54 m/s (e) 20 m/s
26. A mass on a spring oscillates with a frequency of 20 Hz. If I place a lighter mass on the same spring, the frequency will
(a) be unchanged (b) increase (c) decrease
27. A sound wave of loudness 40 dB has an intensity of ____ times the reference intensity Io.
(a) 4 (b) 40 (c) 0.4 (d) 1040 (e) 104
28. Which of the following actions will produce a lower pitch on a guitar string?
(a) increase the tension (b ) shorten the