K2 A/2 A
Q: find the average velocity between 1s and 6.5 s. possible answers: a.-0.73 m/s b.+1.4 m/s c.+0.73 m/s…
A: Initial time, Final time, Position at 1s, Position at 6.5s,
Q: After firing an object at any angle between 0 and 90 degrees, the component at and the final speed…
A:
Q: A train traveling at vo = 20.0 m/s begins to brake by applying a velocity-dependent instantaneous…
A: Write the expression for the velocity.
Q: v (m/s) [N] vs t (s) 15 10 -5 -10 10 15 20 25 30 t(s) INI (Sju) A
A:
Q: Use the following half-life graph to answer the question: Mass Remaining (mg) 60.0 50.0 40.0 30.0…
A: Solution:-
Q: A ball is released from rest and begins to move on a friction-free ramp from a height of 12.0 m. The…
A: A ball is initially at rest.Initial height of ball is Final height of ball is Find:Velocity of ball…
Q: X. X, -8 -4 4 8 a- Displacement? b- Total distance?
A: Displacement: It is the shortest distance between the initial and final position. Distance: The…
Q: c) Q: How can you tell from an x-vs-t graph that you have reversed direction?
A: In a x versus t graph, t that is time is plotted along the x-direction and position x is drawn along…
Q: Rank the speed from slowest to fastest. A A B C D b = 60m r = 20m D B C E
A: Given : distance , b = 60 cm Radius , r = 20 cm Find : Rank speed from slowest to fastest
Q: The speed of light is approximately 3 x 10 8 m/s. How far does light travel in 6.0 x 10¹ seconds?
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Q: An object is thrown upward with an initial velocity of 20m/s. How high does it rise?
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Q: d (meters) s5仍忆況下 20
A: Velocity The velocity of a particle is defined as the rate of change of displacement. If ∆s is the…
Q: 13. (Note: Here, the non-conservative force increases the kinetic energy of the object.) Fireworks…
A: Work done by non conservative is equal to change in potential energy and kinetic energy of the…
Q: Given the quantities a = 2.6 m, b = 6.5 s, c = 98 m/s, what is the value of the quantity d = -
A: The value of quantity d. given, a=2.6 m b=6.5 s c = 98 ms-1
Q: An aircraft approaches a runway that runs directly east at 440 km/h. A strong wind, of 52.0 km/h,…
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Q: 14. A skier leaves the top of a smooth slope with an initial speed of 7.00 m/s. Her speed at the…
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Q: The speed of the two cars (together) after the collision was 17 m/s. What was that in km/h? O 4.7…
A: The speed of the two cars (together) after the collision was V = 17 m/s .
Q: 3. A block of mass 5.00 kg is pushed against a horizontal elastic spring with a spring constant k =…
A: Given Mass of block m=5 kg Spring constant k=75 N/m Angle of incline =150 Length of incline l=15 m…
Q: 2. A person on the roof of a 250m tall building kicks a soccer ball at initial speed 30" and initial…
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Q: For path C in the figure below, find the distance traveled in meters. A В
A: The total distance travelled by C is in three path : D=path 1+path 2+path 3
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- 5. A car is traveling at 95.0 km/hr. The driver steps on the brakes and the car comes to a stop in 60.0 m. What is the car's deceleration?tcos(angle) x-x0 1.4 28 1.8 36 2.1 42 2.2 45 2.15 44 1)plot a graph of x-x0 vs tcos(angle) 2)Find the value of the initial speed. Show your steps of calculation. Compare the value of initial speed obtained and the value used in the simulation.6. a) Describe the motion pictured by the v-vs.-t graph shown. v(m/s), + 6 7 H t(s) 4.
- On a fishing trip on Lesser Slave Lake you drive your motorboat north at 20.0 km/h for 30.0 minutes. After realizing that you passed your fishing spot, you turn south and travel at 35 hm/h for 10.0 minutes. Determine your average. a) speed for this trip. [24km/h] b) velocity for this trip. [ 6.3 hm/h, North]P9A swimmer swims across a river at a velocity of 0.8 ms-1 in a direction perpendicular to the river banks. The water flows down the river at 0.6 ms-1. Find the resultant velocity of the swimmer and the direction.
- v (m/s) 1.0 0.5 t (s) 0.60 0.20 0.40 FIGURE P2.18A stone is dropped into a well. The sound of the splash is heard 6.07 s later. What is the depth of the well? (Take the speed of sound to be 343 m/s.) Number i UnitsA ball was dropped from a rooftop measuring 4.4 m above the ground. How long will it take for it to hit the ground? Select one: O a. 1.1365 s O b. 0.9471 s O c. 0.7577 s O d. 0.8970 s