using analytical techniques, butreverse the order of the two legs of the walk and show thatyou get the same final result. (This problem shows thatadding them in reverse order gives the same result—that is,B + A = A + B .) Discuss how taking another path toreach the same point might help to overcome an obstacleblocking you other path

Q: How to find instantaneous velocity

A: Instantaneous velocity is the velocity of any object at a particular instant of time.

Q: The position of a point (in miles) is given as a function of time : (in minutes): s= - 3 + 5t A.…

A: Given: The positon of the object is given as. st=t3-3t2+5t…

Q: The fastest slapshot recorded was by Al lafrate in 1993 at 169.3 km/h. Assume this is the average…

A:

Q: How to determine instantaneous velocity?

A:

Q: A particle moves along x-axis with initial velocity of 50 m/s. For the first 3.5 s, it has no…

A: Given data:  Initial velocity (v0 ) = 50 m/s For first 3.5 s no acceleration Then acceleration (a) =…

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: Using the given, derive the formula to find the total time of flight (tT) in terms of initial…

A: Given data; Derivation for maximum height. Diagram for projectile motion.

Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

A: Write the equation of motion, and solve for the acceleration (a) of the sled.

Q: A stone is thrown vertically upward direction with a velocity of 40 m/s. What is the time take to…

A:

Q: An object from rest with a constant acceleration of 8m/s² along a straight line. Find the: a. Final…

A: Write the given values with suitable variables. Here, u denotes the object’s initial velocity, a…

Q: Lebron bikes 800 m to the left in 25 s. What was his average velocity in -? Answer using a…

A:

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

A:

Q: A friend of yours contends that the acceleration of a ball tossed up into the air is positive on the…

A: Given Upward direction is taken to be positive and downward direction is negative  Also acceleration…

Q: Projectile motion is a special case of two-dimensional motion. True O False

A:

Q: a plane lands and comes to a complete stop thorough 180m of runway with a deceleration of 6.25m/s2…

A: The final velocity of plane is 0. Consider the kinematic equation, v2=u2-2-ad       (I)…

Q: A softball is popped up vertically from the ground with a velocity of 21.56 m/s. The acceleration…

A: Write the given values with suitable variables. u=21.56 m/sa=-9.8 m/s2 Here, u and a are the initial…

Q: Do not hurt yourself; do not strike your hand against anything. Within these limitations, describe…

A:

Q: How to solve for the magnitude of average velocity.

A: Velocity = dsdt Average velocity = total displcement covertotal time

Q: Give two word problems each for speed and velocity

A: Give two word problems each for speed and velocity

Q: Now let’s apply our definition of average velocity to a swimming competition. During one heat of a…

A:

Q: An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is…

A: Given: The intial speed of the object is 0 m/s. The acceleration of the object is 4 m/s2 (…

Q: A racing vehicle has an initial velocity of 10 m/s and it covers a distance of 225 m in 10 s.…

A:

Q: A train of the JR Yamanote Line has a maximum speed of 50 km/hr and its acceleration and…

A: Maximum speed of the train, Vmax=50 km/hr⇒13.889 m/s Maximum acceleration, amax=2.222 m/s2

Q: A ferryboat which can sail at the rate of 8mph in still water travels straight across a river 1⁄2…

A:

Q: Which of these motions is not at constant acceleration: a rock falling from a cliff, an elevator…

A: Ignoring the air resistance, a rock falling from a cliff undergoes the free-fall motion. Thus, it…

Q: A car travels east 2 km for 5 minutes, then north3 km for 8 minutes, and then west 4 km for 10…

A: Given that: Total distance travelled by the car, s = 2+8+4 = 14 km Total time = 23 minutes = 23 X 60…

Q: Professional baseball player Nolan Ryan could pitch a baseball at approximately 160.0 km/h. At that…

A: The given values are, vi = 160 km / h = 44.44 m/sx = 18.4 mvf = 0 Use the kinematics equation , vf =…

Q: How can acceleration be related to initial velocity, final velocity and distance travelled?

A: acceleration initial velocity  final velocity  distance

Q: A freely falling bowling ball lands on the ground 2.7 s after being thrown. With what velocity and…

A:

Q: There is a distinction between average speed and the magnitude of average velocity. Give an example…

A: Average speed and the average velocity

Q: Jas is calculating a projectile motion problem for a snowball that is thrown horizontally, assuming…

A: Initial velocity = u ( in horizontal direction) Time (t) = 2 sec

Q: Derive a formula that relates the displacement, final velocity, time and constant acceleration of an…

A: Given that, Final velocity = 30 m/s Acceleration = 6 m/s2 Distance = 25 m

Q: Derive a formula that relates the displacement, final velocity, time and constant acceleration of an…

A: Suppose a particle  which is under uniformly accelerated rectilinear motion is having its initial…

Q: A river has a steady speed of 0.500 m/s. A student swimsupstream a distance of 1.00 km and swims…

A:

Q: A ball is thrown straight upward and falls back to Earth. Suppose a y-coordinate axis points upward,…

A: As the ball is thrown straight up with some initial velocity from the origin then at the maximum…

Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

A:

Q: What velocity in m/s did the airplane take off from a landing field that has run 500m if it starts…

A: Write the given values with the suitable variables. s=500 mu=0 m/st=30 s Here, s, u, and t are the…

Q: Acceleration is generally defined as the time rate of change of velocity. When can it be defined as…

A: Acceleration = the time rate of the change of velocity

Q: Derive a formula that relates the displacement, final velocity, time and constant acceleration of an…

A:

Q: How much time would it take for an airplane to reach its destination if it tr5aveled at an average…

A: Average speed (v) = 790 kmhr Distance (d) = 5000 km

Q: What is the change in velocity if the final velocity is 80 mph and the initial velocity is 20 mph?…

A: Initial velocity = v0 = 20 mph Final velocity = v = 80 mph Change in velocity = ∆v =?

Q: Calculate the height of a cliff if it takes 2.35 s for a rockto hit the ground when it is thrown…

A: a) The time taken by the rock to hit the cliff is,

Q: Teresa would like to complete a 100 meter swim in record pace of 48 seconds.  What must her average…

A:

Q: Solve the following problem: A freely falling body travelled 54.5 m during the last second before it…

A:

Q: A particle, starting from rest, falls 70 metres in the last second of its motion.

A: Given:- Distance reached by the object before at time t-1 is 70 meters. Initial velocity u =0 g=9.8…

Q: lete solutions legibly eet of paper. 1. A golf ball rolls up a hill toward a miniature golf hole…

A:

Q: Gives final velocity in terms of acceleration and displacement

A: Newton's three equation of motion are used only when the acceleration is constant in these equations…

Q: When Stephen skates the rest of the 3 km home from his friend's house, what is his displacement?…

A: Displacement: Displacement is the smallest distance between two points. It is a vector quantity.

Q: What is the ACCELERATION of an object that is thrown upwards when it reaches the highest point?

A: What is the ACCELERATION of an object that is thrown upwards when it reaches the highest point ?

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 –