4. In the following scenarios, the velocity and acceleration vectors of a person are shown. Say whether or not the person is turning, and if so, in which direction. Also say whether the person is speeding up, slowing down or moving at constant speed.

Q: A football player makes the opening kickoff and kicks the football with an initial velocity of 28…

A: Given data: Here, v represents the initial velocity and θ represents the angle.

Q: #3. A ball is tossed straight up in the air. At its very highest point, the ball's instantaneous…

A: Here, at the highest point, the velocity if the ball becomes zero, and the only acceleration which…

Q: 2. An arrow is shot into the air with a velocity of 100 m/s at an elevation of 450. Find a. the time…

A: Given: The intial velocity of the arrow is 100 m/s. The angle of the projection is 45o.

Q: 8. Using a powerful air gun, a steel ball is shot vertically upward with a velocity of 80 meters per…

A: Write the given values with the suitable variables. u=80 m/st=5 sh=150 m Here, u is the initial…

Q: 5. An object travels in æyz – plane experience an equation of motion given by a (t) = 8.10 i - 3.20…

A: (Since it is a multipart question, the first three parts are done.) Acceleration is the rate of…

Q: ference 2- A red ball is launched from level ground with an initial velocity of 28 m/s. 40 degree…

A:

Q: 1 A stone is thrown vertically upwards with a velocity 20m/s from the top of a tower 25m high. Make…

A: Given:-  The upward velocity of the stone u= 20 m/s  it was thrown from the height of 25m high tower…

Q: 12. Consider a deer that runs from point A to point B. The distance the deer runs can be greater…

A:

Q: 4) Three Short Trips. An airplane tri involves three legs, with stopovers. The first leg is due east…

A: Illustrations  Resultant of vectors can be determined by resolving them into their components.

Q: if a car moves 12 km north, 19 km east, and 12 km south, what is its displacement?

A: let the displacement be x

Q: Two cars approach a street corner at right angles to each other. One is red and one is blue. Both…

A:

Q: 5. The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when…

A:

Q: 5-) An object moves in the xy plane with the x-component of the acceleration given by a, = 6 m / s²…

A: Acceleration is defined as the time rate of change of velocity, i.e. a=dvdt Kinematic equations of…

Q: 5/Suppose that a cartraveling to the west ( the -x direction) begins to Slow doun as it approaches.…

A: The direction in negative x axis is taken as -ve and in +x direction as positive.

Q: 5. A football is kicked off with an initial speed of 64 ft/s at a projection angle of 45 °. A…

A: As per guidelines, question 5 is answered and for remaining question to be answered, post them…

Q: 2. In the figure shown, a ball thrown down the incline strikes it at a distance s-75m. If the ball…

A:

Q: 5) A ball is bounced directly south, with an initial velocity of 10 m/s off the ground, with an…

A: Given that,Velocity of the ball, vb=10 m/s to southAngle of elevation, θ=30°Velocity of wind, vw=3…

Q: 54. What is the acceleration of an object that is moving in a curved path at constant speed? * O…

A: The acceleration of an object that is moving in a curved path at constant speed is ZERO

Q: 1) Select the situation that is impossible and explain why. A) An object has velocity directed east…

A: When a particle move with constant velocity then net force or net acceleration should be zero on…

Q: 39. •What are the magnitude and direction of the change in velocity if the initial velocity is 30…

A: Given:-          +y-axis is notes as north direction          -y axis is notes as south direction…

Q: 4. Find the maximum height it can reach, horizontal distance it covers and total time from the given…

A: The cannonball will follow a parabolic path as shown in the following figure. The ball’s initial…

Q: 3. A rock is thrown horizontally from a bridge with a velocity of 21.0 m/s. It takes the rock 2.8 s…

A:

Q: 3. Suppose you run three different paths from a to b. Along which path(s) would your distance…

A: Distance and displacement are closely related to each other in the following way : Distance is the…

Q: 4. What is the acceleration of the projectile at maximum height? 5. A projectile is launched at an…

A: 4) When any object is thrown from horizontal at an angle α ≠90o then it moves in a parabolic known…

Q: 2. You walk 30 m South and heads 30 m East. What is your resultant displacement? a:

A:

Q: 1.) Refer to the diagram below. A soccer ball is at the edge of 20 m tall cliff when it is kicked up…

A: Given, Height h = 20 m Initial velocity u = 35 m/s Angle θ=45∘

Q: 15. Calculate the displacement in km a cyclist would travel in 5.00 h at an average of 12.0 km/h to…

A: Given that:- Average velocity is given in the question.

Q: 5. An object is launched 15 m/s horizontally. A. Fill in the variables for the object. B. Solve for…

A: Tis is a horizontal projectile projected from 12 m high with a speed of 15 m/s Only acceleration due…

Q: QUESTION 23 Which of the following quantities is not a vector? a. Acceleration b. Position C.…

A: Quantity which requires magnitude as well as direction is called as vector quantity.

Q: 18. Which of the following quantities is constant in uniform circular motion? O speed velocity O…

A: In uniform circular motion, body moves with constant speed in circular path.

Q: 5. An archer fires an arrow horizontally at a target 22 m away from a 34 m high wall. If she hits…

A:

Q: 3. An airplane trip involves three legs with two stop overs. The first leg is due east for 620 km,…

A:

Q: 1. From a hot air balloon at an elevation of 310 m, a stone is dropped. Two seconds later another…

A:

Q: 3. An object is thrown with an angle 370 with horizontal. If the initial velocity of the object is…

A:

Q: 5. A baseball player hits the ball such that as it leaves the bat, it has 40 meters per second…

A:

Q: 5. A ball is thrown so that it just clears a 3.25 m fonce 20m away. If it left the hand 1.65m above…

A:

Q: 6. A bullet traveling horizontally at a speed of 395 m/s hits a board perpendicular to the surface,…

A: Given : A bullet traveling horizontally at speed = 395 m/s hits a board              bullet passes…

Q: 2 Calculate the acceleration over a time interval of 25 seconds given the followingiinitial and…

A:

Q: 12. A car is initially moving at vi = 20 m/s west, and a little while later it is moving at v2 = 10…

A: " As per the guidelines, we will solve the  first question for you out of multiple questions. If you…

Q: occer ball is kicked from the ground with an initial speed of 20.2 m/s at an upward angle of 48.5'.…

A: Given u = 20.2 m/s Angle of projection = 48.50

Q: 2. A soccer ball is kicked horizontally off a 28.0-meter-high hill and lands a distance of 41.0…

A:

Q: 46. •An object undergoing parabolic motion travels 100 m in the horizontal direction before…

A:

Q: You take your dog on a walk to a nearby park. On the way, yourdog takes many short side trips to…

A: There is a basic difference between distance and displacement.  Displacement is a vector which…

Q: 3. If a person is running west in downtown Austin at 2.1 km/hr relative to the ground and from his…

A:

Q: Determine whether the statement is true or false. If it is false, explain why or give an example…

A: Determine whether the statement is true or false. If it is false, explain why or give an example…

Q: You leave your house, driving your car at a constant speed of 30 mph in a direction 20 degrees west…

A: Given: Initial velocity of car (v1) = 30 mph. Driving time (t1) = 2 hours. Second speed after taking…

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.