11) A projectile, when fired horizontally, is found to have a speed of 3.35 m/s. When fired at an angle of 57 above the horizontal and at a height of 0.95 m, it is in the air for 0.839 seconds. What is the expected range of the projectile? A) 2.98 m B) 1.62 m C) 2.50 m D) 1.90m 12) From a height of 99 cm, a projectile is fired horizontally, with an initial speed of 2.94 m/'s. How long will it take the projectile to strike the ground? A) 4.495 s B) 0.202 s C) 0.449 s D) 2.02: 13) Determine the range, R, of a projectile fired horizontally with the initial speed vo = 6.01 m's and a height H = 1.144 m above the floor. A) 2.90 m B) 1.24 m C) 1.40 m D) 2.05 m 14) In the Uniform Circular Motion lab, the objective was to show that v = (F.*r)'m produces a linear line which passes through the origin. If the applied centripetal force and the mass of the spinning object were kept constant, what would be the expected slope of a line for v vs. r as the radius is incrementally increased? A) Fom B) Fer C) rim D) 2xx/T 15) How much potential energy does the 60. kg skater have before she starts her ride, 12 cm above the ground? A) 72 B) 720 C) 1200 D) 240 16) Based on newton's second law, When total force acting on an object is zero,- - is also zero . A) Velocity B) displacement C) acceleration D) friction16) Based on newton's second law, When total force acting on an object is zero,--- - is also zero . A) Velocity B) displacement C) acceleration D) friction 17) In circular motion, centripetal acceleration is always non zero. A) True B) False 18 )If the radius of revolution of a particle moving along a circular path in doubled and its angular speed is halved then the centripetal acceleration is A) unchanged B) halved C) doubled 19) Force exerted on a body changes it's (a) Direction of motion (b) Momentum (c) Kinetic energy (d) All the above 20) A 6 kg object is subject to three forces F1 = 201 + 30j N F2 = 8i - 50j N F3 = 2i + 2j N find the acceleration of object (a) 5i + 3j (b) 5i - 3j (c) 3i + 5j (d) 3i - 5jPage 2 of 4 ZOOM + 6) There are two objects undergoing uniform circular motion, traveling at the same speed about a fixed radius, with object A having 3 times the mass of object B. The centripetal force of object A is object B. A) less than B) greater than C) equal to 7) A Chevy Suburban and a Volkswagen Beetle are both en route to a concert. They both are traveling at 25 m/'s as they travel along a curve that has a fixed radius of 30m. Which of the two vehicles undergoes the greater centripetal force? A) The Volkswagen Beetle. C) The Chevy Suburban. B) They both have the same centripetal D) They both have the same centripetal force. acceleration. 8) Which of the Laws of motion defines the force quantitatively? A) the first law B) the second law C)the third law 9) Which of the following set of forces could not give you a net force of zero, if you could orient them in any desired direction? A) (7N, 13N, 20N, 40N) C) (147N, 147N, 148N) B) (3N, 6N, 10N,16N,19N) D) (7N, 10N, 12N, 34N) 10) A projectile is fired horizontally from a height of 0.726 m and lands 2.335 m from the end of the launching mechanism. What is the initial speed of the projectile? A) 0.385 m/s B) 6.07 m/s C) 1.89 m/s D) 15.76 /s 11) A projectile, when fired horizontally, is found to have a speed of 3.55 m/s. When fired at an angle of 570 above the horizontal and at a height of 0.95 m, it is in the air for 0.839 seconds. What is the expected range of the projectile? A) 2.98 m B) 1.62 m C) 2.50 m D) 1.90 m 12) From a height of 99 cm, a projectile is fired horizontally, with an initial speed of 2.94 m/s. How long will it take the projectile to strike the ground? A) 4.495 s B) 0.202 s C) 0.449 s D) 2.02 13) Determine the range, R. of a projectile fired horizontally with the initial speed v. = 6.01 m/s and a height H= 1.144 m above the floor. A) 2.90 m B) 1.24 m C) 1.40 m D) 2.05 m 14) In the Uniform Circular Motion lab, the objective was to show that v = (F.*r)/m produces a linear line which passes through the origin. If the applied centripetal force and the mass of the6) There are two objects undergoing uniform circular motion, traveling at the same speed about a fixed radius, with object A having 3 times the mass of object B. The centripetal force of object A is object B. A) less than B) greater than C) equal to 7) A Chevy Suburban and a Volkswagen Beetle are both en route to a concert. They both are traveling at 25 m's as they travel along a curve that has a fixed radius of 30m. Which of the two vehicles undergoes the greater centripetal force? A) The Volkswagen Beetle. C) The Chevy Suburban. B) They both have the same centripetal D) They both have the same centripetal force . acceleration. 8) Which of the Laws of motion defines the force quantitatively? A) the first law B) the second law C)the third law 9) Which of the following set of forces could not give you a net force of zero, if you could orient them in any desired direction? A) (7N, 13N. 20N, 40N) C) (147N, 147N, 148N) B) (3N, 6N, 10N,16N,19N) D) (7N, 10N, 12N, 34N) 10) A projectile is fired horizontally from a height of 0.726 m and lands 2.335 m from the end of the launching mechanism. What is the initial speed of the projectile? A) 0.385 m/s B) 6.07 m/s C) 1.89 m/s D) 15.76 /s 11) A projectile, when fired horizontally, is found to have a speed of 3.55 m/s. When fired at an angle of 57 above the horizontal and at a height of 0.95 m. it is in the air for 0.839 seconds. What is the expected range of the projectile? A) 2.98 m B) 1.62 m C) 2.50 m D) 1.90 12) From a height of 99 cm, a projectile is fired horizontally, with an initial speed of 2.94 m/s. How long will it take the projectile to strike the ground? A) 4.495 s B) 0.202 s C) 0.449 s D) 2.02 s 13) Determine the range, R. of a projectile fired horizontally with the initial speed vo = 6.01 m/s and a height H= 1.144 m above the floor. A) 2.90 m B) 1.24 m C) 1.40 m D) 2.05 m 14) In the Uniform Circular Motion lab, the objective was to show that v = (F.*r)/m produces a linear line which passes through the origin. If the applied centripetal force and the mass of the1) A spring, with spring constant of 156 N/m, and a suspended 0.900 kg mass, are undergoing simple harmonic motion. What would the expected period be? A) 0.076 s B) 0.152 s C) 0.239 s D) 0.477 2) A group of students were asked to determine the spring constant, k, of a spring. They did so by acquiring data for force vs. distance the spring stretched. From the resulting plotted data they were able to determine the spring constant from A) the y-intercept ") the x-intercept B) the slope of the straight line D) the area under the plotted line 3) Determine the range, R., of a projectile fired horizontally with the initial speed vo = 6.01 m/'s and a height H = 1.144 m above the floor. A) 2.90 m B) 1.24 m C) 1.40 m D) 2.05 m 4)If two bodies with different masses go around a circle of radius r with the same velocity, the centripetal acceleration of the smaller mass is A) greater than that of the larger mass. C) smaller than that of the larger mass. B) the same as that of the larger mass. D) none of the above. 5) In the Uniform Circular Motion lab, the objective was to show that v = (F.*r)/'m produces a linear line which passes through the origin. If the radius and the mass of the spinning object were kept constant, what would be the expected slope of a line for v vs. F. as the centripetal force is incrementally increased