What is the Net Force Cart Mass, mc . 284 kg Angle, theta 49 degrees Distance, d . 75 m Suspended Mass, ms . 240 kg Velocity 1 .664 m/s Velocity 2 .672 m/s Velocity 3 . 670 m/s Average Velocity . 669 m/s Kinetic Energy . 064 J
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What is the Net Force
Cart Mass, mc | . 284 kg |
Angle, theta | 49 degrees |
Distance, d | . 75 m |
Suspended Mass, ms | . 240 kg |
Velocity 1 | .664 m/s |
Velocity 2 | .672 m/s |
Velocity 3 | . 670 m/s |
Average Velocity | . 669 m/s |
Kinetic Energy | . 064 J |
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- QUESTION 7 Which of the following has the greatest kinetic energy? O a. A ball thrown at 15 m/s with a mass of 2 kg. O b. A ball rolled at 2 m/s with a mass of 15 kg. OC. A ball dropped at 0 m/s from a height of 1 meter with a mass of 1 kg. Od. A ball tossed at 5 m/s with a mass of 8 kg QUESTION 8 What quadrant will the resultant vector for the following forces? F1=250N in positive x axis, F2=300N (154 degree counterclockwise) Quadrant I (+x, +y) b. Quadrant II (-x, +y) a. C. Quadrant III (-x, -y) Quadrant IV (+x, -y) d. QUESTION 9 What is power? a. Gathering the energy to finish this lab exam. Ob. A conservative quantity intrinsic to the object. OC. A force x a distance. Od. A force x a distance per unit time3. As a 2.0-kg object moves from 21+ 5j ]m to ( 6i – 21 )m, 21+ 5j ]m to 6i – 2j m, the constant resultant force acting on it 3. As a 2.0-kg object moves from is equal to 4i - 3j ]N. If the speed of the object at the initial position is 4.0 m/s, what is its kinetic energy at its final position? se1. Jogger A has a mass m and a speed v, jogger B has a mass m/2 and a speed 3v, jogger C has a mass 3m and a speed v/2, and jogger D has a mass 4m and a speed v/2. Rank the joggers in order of increasing kinetic energy. Indicates ties where appropriate. Explain and draws.
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- Cart Mass, mc . 284 kg Angle, θ 49 degrees Distance, d . 75 m Equilibrium . 240 Velocity 1 . 664 m/s Velocity 2 . 672 m/s Velocity 3 .670 m/s Average Velocity .669 m/s What is the kinetic Energy ? Using the average velocity, calculate the cart's change in Kenetic Energy. KE = (1/2) mv2What is the Net Force ? Cart Mass, mc . 284 kg Angle, theta 49 degrees Distance, d . 75 m Suspended Mass, ms . 320 kg Velocity 1 1.48 m/s Velocity 2 1.43 m/s Velocity 3 1.487 m/s Average Velocity 1.466 m/s Kinetic Energy . 305 JA kid on a bike with a combined mass of 100 kg goes 7 m/s at the top of a hill. The hill has a vertical drop of 50 m. How fast is the kid and bike going when they reach the bottom of the hill?( no friction) 1. c. d. O 27 m/s 23 m/s O 32 m/s O 980 m/s