A daredevil jumps off a tall building. He falls freely for several seconds before releasing his parachute. His height (h) in meters, ? seconds after jumping can be modeled by h = −4.9?2 + ? + 360 before he releases his parachute and h = −4? + 142 after he released his parachute. How long after jump did he release his parachute?

Q: A basketball player runs 7.00 m due north, then 5.00 m in a direction 30° north of west, and finally…

A: Given ,  A = 7 m , North              B = 5m, 300 north of west              C = 8 m east

Q: The 1992 world speed record for a bicycle (human-powered vehicule) was set by Chris Huber. His time…

A: Time taken by Chris Huber in 1992 to cover 200 m stretch = 6.509 seconds Using formula, Speed×time =…

Q: A car travels 64.70 +/- 0.50 meters in 8.650+/-0.05 seconds. What is its speed in m/s? Answer must…

A: Given data: The distance traveled by car is D=64.70 +/-0.5 m. The time taken is t=8.650+/-0.05 s.

Q: You throw an object up with an initial velocity of voy = 5 m/s from a height of y = 25 m. Part (a)…

A: Given : Initial velocity (v0y) = 5 m/s Height (yi) = 25 m

Q: Question 9. Michael Jordan, formerly of the Chicago Bulls basketball team, has some fanatic fans.…

A: Time of flight ,t= 2 sec

Q: In a 5.00 km race, one runner runs at a steady 12.0 km/hr and another runs at 14.7 km/hr. How long…

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Q: Nerve impulses in a human body travel at a speed of about 100 m/s. Suppose a man accidentally stubs…

A: Given that: Speed of the nerve impulse in human body: v= 100 m/s Height of the man, d=1.70 m…

Q: Goggles Paisano (aka Fred Flintstone) has once again entered the Indianrockolis 500. The race…

A: Given data: The number of laps is n=200. The length of each lap is s=2.5 mile. Time taken is t=2hr…

Q: pumpkin is shot straight up with an initial speed of 5.9 m/s. What is the maximum height it can…

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Q: A rabbit runs across a parking lot. The coordinates of the rabbit's position (in meter) are given by…

A: Consider the x-coordinate of the rabbit’s position. On differentiating the above equation with…

Q: A motorcyclist is traveling at 13.6 m/s and accelerating at 3.05 m/s? for 2.1 s, how far does it…

A: Given(s): Initial speed, u=13.6 m/s. Acceleration, a=3.05 m/s2. Time, t=2.1 s Require:  Distance…

Q: If it takes a horse 175 seconds to make 3.00 laps around a horse track (each lap is equal to 1.00…

A: Average velocity  V = distance covered/time.   V= r/t.

Q: A runner is moving with a speed of 2.68[m/s]. How long will it take the runner to complete a 5.0[km]…

A: The expression for find time taken by the runner to complete the race is t=dv

Q: A toy car starts at rest and accelerate up a 40" ramp with acceleration a=√(t^3). It then flies into…

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Q: I took 2.28km and converted it to 2280 meters then divided by 3200 and ended up with .71m/s but it…

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Q: If an egg is dropped from rest and takes 0.8 seconds to hit the ground, what is the height, in…

A: Given Data: The time taken by egg to hit the ground is: t=0.8 s The gravitational acceleration is:…

Q: Problem 1: An object is thrown straight up with an initial velocity of 17 m/s. Part (a) How high…

A: The given data are as follows:  The object is thrown straight up. The initial velocity, u = 17 m/s

Q: An object's position in the x-direction as a function of time is given by the expression; x(t)- 5t²…

A: Given data:  The position function of the object x = 5t2 + 2t Required: The average velocity between…

Q: An object is moving with an initial velocity of 5.8 i m/s and a final velocity 13.8 i m/s. The time…

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Q: Nerve impulses in the human body travel at a speed of about 100 ms-1. A 1.6m tall man accidentally…

A: Given data The speed of the nerve is given as v = 100 m/s. The height of the man is given as h =…

Q: What is the initial speed of the mouse in meters per second?

A: Concept: A push or pull upon an object resulting from the objects interaction with another object is…

Q: Given the quantities a = 4.3 m, b = 9.2 s, c = 45 m/s, what is the value of the quantity d = Number…

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Q: A car travels along a 1000 m path, starting from rest. For the first 300 m, it accelerates at 2.00…

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Q: The acceleration of a particle is given by a- 2t- 17, where a is in meters per second squared and…

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Q: From January 26, 1977, to September 18, 1983, George Meegan of Great Britain walked from Ushuaia, at…

A: Basic Details The average velocity is the ratio of total distance covered to that of the total time…

Q: An adventure racer ran 1.7 km north, then 3.2 km 63° to the south of due east, then 1.4 km west. She…

A: Answer..

Q: I throw a ball straight up in the air. It travels straight up 2 meters and then straight back down…

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Q: Mary is on the third floor of a building. Suddenly, she dropped her coin and the coin reached the…

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Q: To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required…

A: Finding the distance travelled by the airplane in first second of runGiven Information:The distance…

Q: A particle moves along two dimensions based on the following position vector r= [2.0 m + (3.00 m/s)f…

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Q: a car moves along a path. expressed as: S = 4+² -3+² +8 2 Where s is in meters while t in seconds.…

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Q: You attach a meter stick to an oak tree, such that the top of the meter stick is 2.67 meters above…

A: The diagram of the system is given below:                                               According…

Q: A thief is trying to escape from a parking garage after completing a robbery, and the thief’s car is…

A: Givenspeed of car (v)=11 m/sThief at a distance from door when a police flips switch (L)=14…

Q: A rock is dropped (from rest) from the top of a 73.9-m-tall building. How far above the ground is…

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Q: A person who walks for exercise produces the position-time graph shown. Calculate the average…

A: Given data:  Position vs time graph Required: The average velocity for segment A, B and C

Q: Q1. a).  A ball is thrown upwards into the air. Total time for the ball to move upwards to the peak…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The velocity of a particle is given by the function v(t)=t^2-7t+1027 , where the velocity is…

A: Given Data : The function of velocity is given as vt=t2-7t+10 The displacement of the particle in…

Q: f the acceleration is constant, how much time elapses while the auto moves the 180 ft? Answer in…

A: u=24 fts &   v=37 fts   , s=180 ft , a=constantUsing third equation of motion , we get…

Q: The figure here shows the speed v versus height y of a ball tossed directly upward, along a y axis.…

A: Given : d = 0.37 m vB = vA/3

Q: Using the equation ??2 =???2 +2??(?−??) where a car is moving at an initial speed of 22 m/s slams on…

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Q: Ex. 2. A car driver in northern Ontario makes the following displacements: Ad₁= 15.0 km [W 30.0°N]…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –