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- youtube.com/watch?v=srDeACrSf-o&t=12s In the video, I drop a ball off a three-story balcony. We know that objects in freefall follow the equation for height h, in meters, h=−4.9t2+ch=-4.9t2+c, where t is time in seconds, and c is the initial height. A student timed the drop at 1.51 seconds.Use this to determine the height from which the ball was dropped, to at least 2 decimal places.What is Otter’s average speed and velocity over his entire trip when it takes him 2 minutes to walk 100 meters north and another 1 minute to walk 70 meters east? Express your answer using the proper SI units. Round your answer to two decimal places, and include a direction if necessary. Please answer it correctly, neatly, and completely.Using the concept of kinematic graphing, draw the displacement, velocity and acceleration curves for a condition where a track cyclist is undergoing constant horizontal acceleration at 2 m/s2 for the first 4 seconds of a race. Show calculations for displacement and velocity at 1, 2, 3 and 4 seconds and include these specific time points in your three plots. Assume the cyclist is at a stand still at time = 0 and his initial displacement and velocity are both equal to 0.
- Explain how to solve the following question in words. Then, provide the complete solution based on your description above. If an object is dropped from an 80-meter-high window, its height y above the ground at time t is given by the formula y = f(t) = 80 − 4.9t^2. Find the average velocity of the object between (a) t = 1 sec and t = 1.5 sec.If you read the time duration from the optical sensor on the launch apparatus as 0.1 seconds, and if the steel ball that you launch has a diameter of 32.8cm, calculate the initial speed of the steel ball. Use g=9.81 m/s2 if it is needed. Give your answer in m/s with one decimalIf 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?
- When you throw a ball up in the air, what does the motion graph for distance vs time look like? What does it look like when you drop a ball?Assume that you are driving a car with 46.0 km/h. If it takes you 5.50 s to come to a complete stop, what was your constant acceleration during this time? (Provide your result in m/s² with two decimal places. If there is a negative sign include it, but do not include a positive sign.)The height, in feet, of an object shot upwards into the air with an initial velocity, in feet per second, of vi, after t seconds is given by the formula: H= -16t2+vit Use the equation above to answer questions about a model rocket is launched from the ground into the air with an initial velocity of 352 feet per second. Use the graph below to help answer the questions. Assessment Instructions Show and explain all steps in your responses to the following parts of the assignment using the Algebra concepts discussed within the course. All mathematical steps and explanations must be typed up and formatted using the equation editor. Part 1: Create the equation for the height of the rocket after t seconds. Part 2: Find the time it takes for the rocket to reach a height of 0. Interpret both solutions. Part 3: Find the time it takes to reach the top of its trajectory. Part 4: Find the maximum height. Part 5: Find the time it takes to reach a height of 968 feet. Round…
- George walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds. What is his velocity in meters per second? Also, is the acceleration due to gravity negative or positive or it depends? I'm really confused. Please help and explain in an easy to understand.Using the GUFSA Template. Round off your final answer to the nearest hundredths. The world record for men's marathon is 2:03:38. If the distance is 47.215 km, what is the average velocity during the run?A parachutist's speed during a free fall reaches 264 feet per second. What is this speed in meters per second? At this speed, how many meters will the parachutist fall during 10 seconds of free fall? In your computations, assume that 1 meter is equal to 3.3 feet. Do not round your answers.