Teresa would like to complete a 100 meter swim in record pace of 48 seconds.  What must her average velocity be?

Q: A car accelerates at a rate of a= 10 m/s^2. After 10 s the car is at position X = 300 m .What was…

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Q: A man tosses a pencil vertically upward and catches it in the same spot where it was released. At…

A: We know in initial frame velocity cannot be zero with non zero acceleration velocity is defined as…

Q: A runner makes one lap around a 200-m track in a time of 25 s. What were the runner's (a) average…

A: Time, t=5  Length of track, d = 200 m

Q: Explain the difference between velocity in general, average velocity, and instantaneous velocity

A: Required : The difference between velocity, average velocity and instantaneous velocity.

Q: A ball is thrown upward and has a 10.) hang time of 10 s. A.) What was the initial velocity of the…

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Q: Maximum height achieved by ball thrown upwards with velocity 10 m/s is _______? Take g= 10 m/s2

A: The problem is based on the basic kinematics problem. we know that when an object/body is thrown…

Q: An olympic gold medalist runs one time around the track - 400 meters - in 38 seconds. What is his…

A: The gold medalist completes a round trip.That is the final and initial positions are same.Therefore…

Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Average Velocity of an object is its total displacement divided by total time taken.  Displacement -…

Q: A ball is thrown straight up at time t=0 with an initial speed of 15 m/s. Take the point of release…

A: Given data: The initial speed is u=15 m/s. The initial displacement is y0=0.

Q: If Yomi is walking 3 m/s to the north and David is walking 3 m/s to the west, then which of the…

A: Given : Yomi is walking 3m/s to the North. David is walking 3m/s to the West. We have to tell which…

Q: For an object in motion, is it possible for velocity to be constant while acceleration is zero?…

A: For an object in motion, is it possible for velocity to be constant while acceleration is zero?

Q: A stone is thrown with an initial upward velocity of 7.0 m/s and experiences negligible air…

A: Given Data: Initial upward velocity, u=7 m/s Travel time, t=0.5 s g=-10 m/s2 NOTE: Negligible air…

Q: The current world record for the 400 m dash on an oval track is 43.03s for men 3. and 47.60s for…

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Q: A certain freely falling object, released from rest, requires 1.50 s to travel the last 30.0 m…

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Q: While sitting on a tree branch 10.0 m above the ground, you dropa chestnut. When the chestnut has…

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Q: A bumblebee is flying to the right when a breeze causes the bee to slow down with a constant…

A: In the given problem, the acceleration is uniform so the equations of motion can use to determine…

Q: If an object had a positive acceleration, what would the graph of the objects velocity versus time…

A: velocity versus time graph :  in velocity versus time graph velocity values are taken on y- axis and…

Q: On earth, a ball is thrown straight downward with an initial speed of 1 meter per second from a…

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Q: Calculate the displacement and velocity at times of (a)0.500, (b) 1.00, (c) 1.50, (d) 2.00, and (e)…

A: Consider that the downward to be the positive direction.   According to the kinematic equation of…

Q: What is the slope of the velocity-time graph if an object undergoes a constant acceleration of 1…

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Q: Using the Velocity- Time graph provided about the behavior of a cart along a linear track, answer…

A: From the graph for the first 10 min, the initial velocity (u) of the cart is zero and the final…

Q: Calculate the displacement and velocity of (a) 0.500, (b)1.00s (c)1.50s, and (d) 2.00s for a ball…

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Q: A rocket sled accelerates at 27.1 m/s2 for 3.9 s. How far has it traveled from its initial position…

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Q: An airplane lands with an initial velocity of 80 m/s and then decelerates at 1.50 m/s2 for 40…

A: Initial velocity "u"= 80m/s  decelerates "a"= -1.50 m/s². time taken "t"=40 secs . Let final…

Q: A rocket rises straight up from rest with an acceleration of 1.50 m/s2 at which point its engine…

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Q: Which among the following is the rate of change of position with respect to time? O a. Displacement-…

A: Kinematics deals with detailed explanations of the motion of a body. It deals with the calculations…

Q: A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.60…

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Q: When distance is 0.80 m and average time is 450 ms, what is the accel

A: Given:- Distance d = 0.80m  The average Time t = 450 ms =0.450 sec  Find :-  The acceleration ?

Q: At time t = 0 seconds, a ball is thrown upwards off a cliff with some initial velocity. It reaches…

A: From the question, it is given that- Time required by the ball to achieve maximum height: t = 2s Let…

Q: When interpreting a velocity vs. time graph, the best indication for whether an object is slowing…

A: If a particle is slowing down then the speed or magnitude of the velocity should be going down or we…

Q: A sailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at…

A: Given that the acceleration during the motion is constant so the equation of motion can be used to…

Q: From a helicopter that is suspended in the air, a military man falls freely by 119.17 m and at that…

A: Recall vf=vi+atandy=1/2gt2 when vi=0

Q: Consider a car moving in the positive direction with an initial velocity of 31 m/s slows down at a…

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Q: A ball is thrown straight up with an initial velocity of 17.8 m/s. How long will it take (seconds)…

A: Given : Initial upwards velocity (u) = 17.8 msTo find : time of flight , that is the time taken by…

Q: Two riders, Lester and Micko, are travelling in the same direction. Micko is speeding at a constant…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: What does the acceleration vs time graph for a constant velocity look like? A horizontal line equal…

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Q: Maria needs to travel to her sister's home, 285 km away, in 4.0 hours. The first 60 km  she can only…

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Q: Sketch the velocity-versus-time graph for a car that accelerates uniformly from rest to 30 m/s in 5…

A: Follow the following steps to draw the velocity versus time curves. chose an appropriate axis for…

Q: A car with initial velocity of 20 m/s decelerates uniformly at 2m/s2 until it fully stops. What is…

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Q: The figure below shows the unusual path of a confused football player. After receiving a kickoff at…

A: From the graph, it can be analyzed that, a player has traveled 100 yd in the +x-direction and again…

Q: Your average running speed is 8.0 m/s and your best friend's is 7.0 m/s. You both are 65 m from the…

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Q: When does the object have zero acceleration? What is the best answer. A. From 0.9 to 1.5 seconds…

A: From 0.9 to 1.5 seconds - Distance behavior is parabolic w.r.t time, so acceleration will not be…

Q: A body moving at 40 m/s and its speed decreasing uniformly at the rate of 5 m/s2. Determine a) its…

A: Given data: Initial velocity u =40 m/s deceleration, a =-5 m/s2 time, t =6s

Q: A car moves with a uniform speed of 80kmph for 15 seconds. then it is made to stop in next 16s.…

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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 –