Lab 1 Freefall - Aashna Arora (1)

1. Prove Newton's equations of motion at constant acceleration. That is, show that I. v=u+at II. S=ut +at III. v=u²+2aS 2. Is it possible for a body moving on a circular track to have zero acceleration? Explain vividly if Yes or No

1. Prove Newton's equations of motion at constant acceleration. That is, show that I. v = u + at jat? v2 = u? + 2as II. s = ut + III. 2. Is it possible for a body moving on a circular track to have zero acceleration? Explain vividly if Yes or No

1a. Is the diagram shown an example of uniform circular motion? Explain. b. Is the speed constant? Explain. 2. A car passes through a circular loop with a circumference of 100m in 4 seconds. a. What is the speed of the car ? b. What is the distance covered each second ? ORRO

Physics question

1. The world record for the 500-meter dash is held by David Rudisha and is 57.69 s A. Assuming that Rudisha competed by running one lap on a circular track with a 500-meter circumference, what was his overall displacement during the race? B. What was Rudisha's average speed? C. Traveling at Rudisha's average speed from part b), how long would it take to get to Denver, which is approximately 105 km away?

a (m/s*) B. Acceleration-Time Graph 1. A sailboat is sailing in a straight line with a velocity of 10 m/s. Then at time 1= 0 s, a stiff wind blows causing the sailboat to accelerate as seen 3+ in the diagram below. What is the velocity of the sailboat after the wind has blown for 7 seconds? Show + →t(s) 3 4. 6. your solution and answer below. -1+ -2+

1. The motion diagram below represents motion of an object moving to the right (+x direction). Each circle represents the position of the object at succeeding instants of time. Each time-interval between successive positions is equal. B a H. I. Which velocity vs. time graph best represents the object's motion? Which acceleration vs. time graph best represents the object's motion? II.

How to solve this question

True or False, write T if the statement is True and write F if the statement is False. This is all about General Physics 1 Kinematics: Motion in 2- Dimensions and 3 Dimensions.

A gardener walks in a flower garden as illustrated in the figure below. a.)What distance does the gardener travel? b.)What is the gardener’s displacement?

If an object is dropped from a 196-foot-high building, its position (in feet above the ground) is given by s(t)= - 16t² + 196, where t is the time in seconds since it was dropped. a. What is its velocity 1 second after being dropped? b. When will it hit the ground? c. What is its velocity upon impact?

Use the value of g = 9.80 [m/s^2]

1. What is the distance traveled? 2. What is the final speed? 3. What is the magnitude of the acceleration?

1. Is it possible that the magnitude of the speed is also the magnitude of the velocity? Explain your answer. 2. A man walked from point A to F following the route in the grid below in 250 seconds. Determine: F B. 0.5 km a. the average speed in m/s b. the magnitude of the displacement c. the magnitude of the average velocity. E. A.

I. True or False. 1. Instantaneous velocity is negative when the object moves toward the left direction. 2. Instantaneous velocity is positive when the object moves toward the right direction.   II. Choose the letter of your answer. 1. It is the ratio between the displacement and time. A. Average velocity B. Instantaneous velocity

Q Review / v Fin ABE A group is demonstrating an activity to explain speed, velocity and acceleration using three battery operated toy cars on three different tracks to their class. Their teacher wants the class to explain their observations. Track 1: This track is straight Constant speed 10 m/s Toy car 1 is moving at a constant speed of 10m/s. Track 2: This track is straight Constant speed 5 m/s Toy car 2 is moving at a constant speed of Sm/s O Time Remaining: 18 minutes ©2021 Illuminate Education TM, Inc. 0901225 esc 8. @ 6. 3. 4. y e W

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Uniformly Accelerated Motion 2. A cheetah moving in a constant acceleration covers the distance between two points 70.0m apart in 7.00s. Its speed as it second point is 15.0m/s passes the a. What is its speed at the first point? b. What is its acceleration?

QUESTION 33 a 0. t Choose the appropriate word choices below that correctly complete the blanks in the following three sentences: At the beginning, the object is at the origin and moving to the left. In the first half of its motion, the object moves to the left with velocity. Then, the motion of the object changes. In the second half of its motion, the in magnitude. object due to a acceleration that is CA. decreasing, speeds up, negative, increasing, B. constant, speeds up, positive, constant, C. constant, slows down, positive, constant, D. increasing, speeds up, negative, increasing, E. constant, speeds up, negative, constant,

For numbers 12 to 13 Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.83 s. 12. What is the acceleration of the sled? a. a = 200 m/s2 %3D b. a 243 m/s2 c. a = 250 m/s? d. a 260 m/s2 13. What is the distance that the sled travels? a. d = 400 m b. d = 420 m c. d = 410 m %3D d. d = 406 m 14. A feather, initially at rest, is released in a vacuum 12 m above the surface of the earth. Which of the following statements is correct? a. The acceleration of the feather decreases until terminal velocity is reached. b. The acceleration of the feather remains constant during the fall c. The acceleration of the feather increases during the fall. d. The maximum velocity of the feather is 9.8 m/s2. 15. 15. A ball is dropped from rest on top of a building 100 m high. What is the velocity of the ball after 2 s? a. 0 m/s а. b. 20 m/s c. 19.6 m/s d. 9.8 m/s

5. The x-location and y-location of a particle are described by the following equations, where x and y are in meters and time is in seconds: x = 4e-t y = 2 + 8e -2t a. What is the equation of the particle's path in the x-y plane? b. What are the (x,y) coordinates of the particle at time=0 and as time → ∞o? c. What is the speed of the particle at time=0?

1. If you walk 500 m due North and then 200 m due South,a. What is your total distance covered?b. What is your displacement? 2. A spacecraft traveling at 1200 m/s is uniformly accelerated at the rate of 150 m/s2 by burning itssecond stage rocket. If the rocket burns for 18 seconds, what is the final speed of the craft?

1. If an object is moving with constant acceleration, what is the shape of its velocity vs. time graph? What is the significance of the slope? What is the significance of the y-intercept? 2. If an object is moving with constant acceleration, what is the shape of its distance vs. time graph? What is the significance of the slope of a distance vs. time curve? What is the significance of the y-intercept?

1. Can we have zero acceleration yet the object is still moving? Explain please. 2. Can an object's acceleration be in the opposite direction to its motion? Explain please.

Need help solving #2 and #3

An object is dropped from a tower, 153 ft above the ground. The object's height above ground t sec into the fall is s = 153 - 16t2. a. What is the object's velocity, speed, and acceleration at time t? b. About how long does it take the object to hit the ground? c. What is the object's velocity at the moment of impact? The object's velocity at time t is The object's speed at time t is ft / sec. The object's acceleration at time t is | ft/ sec2. (Simplify your answer.) It takes |sec for the object to hit the ground. (Round to the nearest tenth.) The object's velocity at the moment of impact is ft / sec. (Round to the nearest tenth.)

pls Add-ons Help Last edit was 44 minutes ago Times New..- 12 + BIUA 川。 三 にm▼ 1 ... 1 2 3 2. Danielle throws a ball vertically upwards with an initial velocity of 24.5 ms', and catches it is at the same height. a) Calculate the total vertical distance travelled by the ball? b) Determine the total displacement of the ball? lacBook Air DII DD ODO 80 F8 F9 F3 F4 F5 F7

As a train accelerates uniformly it passes successive 850 meter marks while traveling at velocities 1.5 m/s and then 15 m/s. a. For the first mark of the journey, what is the acceleration of the train in m/s sq? b. Determine the train's velocity when it passes the next mark in m/s. c. Determine the time it takes to travel the 1.7-km distance in seconds.

4. A jogger warms up by running 350 meters east at an average speed of 3.8 m/s, then running west 240 meters at an average speed of 4.2 m/s. a. How much time does the first part of the trip take? b. How much time does the second part of the trip take? c. How long does the entire trip take? d. What is the total distance for the entire trip? e. What is the magnitude of the jogger's displacement for the entire trip? f. What is the average speed for the entire trip? g. What is the magnitude of the jogger's average velocity for the entire trip?