15. This vector quantity is defined as displacement over time. * O Average Speed O Average Velocity O Instantaneous Speed O Instantaneous Velocity

Q: 4. It is defined as the change in the position of a particle during a time interval. a. Average…

A: When a particle moves in a specific direction and changes its position with time, then the velocity…

Q: A car, on a straight road, is stopped at a traffic light. When the light turns to green the car…

A: In Newton's second equation of motion, the square of final velocity is the sum of the square of…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Given Data: Speed, v1=70 km/h & time, t1=15 min=0.25 hr Speed, v2=80 km/h & time, t2=14…

Q: Make a motion chart for a cannonball launched with an initial speed of 20m/s. Neglect drag and the…

A: The cannonball is launched with intial velocity u = 20 m/s The gravitational acceleration g = 9.8…

Q: If the final velocity of an object is less than its initial velocity, then a. its acceleration will…

A: To find: If the final velocity is less than the initial velocity

Q: An airplane flying directly eastward at a constant speed travels 298 km in 2.0 h. (a) What is the…

A: Given values-  Displacement (d) = 298 km  Time (t) = 2.0 h  Formula for average velocity -  va=dt

Q: If the velocity and acceleration of an object are in the same direction, a. The speed of the object…

A:

Q: What does the speedometer of a car measure?

A: Speedometer measure speed of the car at any instant of time which is instantaneous speed.

Q: Lamborghini accelerates uniformly from rest to a speed of 100 m/s over a distance of 50 m. Determine…

A: Given Initial velocity u =0 Final velocity v = 100 m/s Distance s = 50 m

Q: A plane lands and comes to a complete stop through 180 metres of runway with a deceleration of…

A: Given:

Q: A police car is traveling north on a straight road at a constant 20.0 m/s. An SUV traveling north at…

A:

Q: 11. You start from your house at 10:00am, goes to your friend's house and then to the grocery shop.…

A: Note : Since question has multiple sub-parts and as per guidelines we can provide solution to first…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Given value--- 35.0 min at 75.0 km/h . 19.0 min at 50.0 km/h . 50.0 min at 35.0 km/h . spends 20.0…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: (a) Average speed is,

Q: An object was launched 14° above the horizontal and landed at the same height it was launched from.…

A: Given:- An object was launched above the horizontal with an angle of θ= 14°  it land at the same…

Q: A car is traveling east at 20.5 m/s when it turns north and accelerates to 32.0 m/s, all during a…

A: Initial velocity (v→) = 20.5 i^ msfinal velocity (V'→) = 32 j^ ms

Q: 14. Starting from rest, an airplane needs 500 meter of runway and time required is 25 seconds. Find…

A:

Q: Which of the following is an example of projectile motion? O A ball falling straight from a cliff O…

A: The motion in which an object is thrown in air and is under the influence of acceleration due to…

Q: 11. You start from your house at 10:00am, goes to the grocery shop and then to your friend's house.…

A: Part A.  distance travelled by you will be:  d = d1 + d2 d1 = distance from your house to shop = 5…

Q: A rock is thrown straight downward from a tree limb with an initial velocity v0. The rock has…

A:

Q: Select True or False [Q1] False True A vector is a large quantity and a scalar is a small .quantity…

A: 1. The solution for the first statement is FALSE The only difference in between a vector and a…

Q: a. 1. A vehicle moving in a straight path and it is gaining speed has a/an 2. A vehicle that slows…

A:

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A:

Q: A plane lands and comes to a complete stop through 180 m of runway with a deceleration of 6.25 m/s 2…

A:

Q: A ball is thrown vertically  upward from the top of a building with an initial velocity of 20 m/s at…

A: a) Let u be the initial speed, s be the distance and a be the gravitational acceleration. Evaluate…

Q: 11. You start from your friend's house at 9:30am, goes to the grocery shop and then to your house.…

A: Answer The total distance travelled is 2km + 5km + 5km 1) the distance travelled is = 12km…

Q: A car travels east at 20 m/s and needs to pass a truck which is also moving towards the east, the…

A:

Q: A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes…

A: Time taken by ball to reach the maximum height is t=2.90s. Acceleration due to gravity is g=9.8m/s2…

Q: Rate of change of displacement is known as ............ A) Acceleration B) Velocity C) Speed D)…

A: The velocity is defined as the rate of change of displacement.  It is a vector quantity.

Q: A student drove to the university from her home and noted that the odometer on her car increased by…

A:

Q: 22. When can we apply the equations of kinematics for an object in one dimension? * The position of…

A: The magnitude of the velocity will increase in time only in cases when the velocity is in the same…

Q: 11. You start from your house at 10:00am, goes to your friend's house and then to the grocery shop.…

A:

Q: A certain freely falling object, released from rest, requires 1.40 s to travel the last 20.5 m…

A: After being released from rest, a specific freely falling object must travel 20.5 m in 1.40 s before…

Q: What does the quantity AV represent! A) firal position B) inital position C) nal velocity D) intal…

A: The quantity ∆V→generally represents the change in velocity vector (option I)

Q: A total distance of travel of 1,000 km breaks every 100 km of a pattern of East-South-East-South…

A: Given:-  The Total distance is S = 1000 km  The  brakes every 100 km of  a pattern of east south-…

Q: If the velocity and acceleration of an object are in the opposite directions, a. The speed of the…

A: If the velocity and acceleration of an object are in the opposite directions, the speed of the…

Q: Represented as the tangent line in a velocity-time diagram. instantaneous acceleration instantaneous…

A: On a velocity-time graph, a horizontal (flat) line indicates the object is traveling at a constant…

Q: The ratio of the total distance travelled by a body to the total time taken by it is its…

A: (A) Instantaneous velocity is defined as the velocity of an object in at an exact instance. Thus,…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Question 9 Solution  (Part a and Part b)

Q: A certain freely falling object, released from rest, requires 1.40 s to travel the last 24.5 m…

A:

Q: Friend's house Your house Grocery shop x=0 2km GROCERIE 5km You start from the grocery shop at…

A: The distance between 2 houses=2km The distance between your house and grocery shop=5km Total time…

Q: Which of the following best compares average speed with average velocity? A Average speed is always…

A: Introduction: The average velocity of the object is equal to the ratio of total displacement and…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Given:Person drives 50 min at 65 km/h12 min at 80 km/h60 min at 30 km/hAnd takes 40 min lunch break.

Q: 6. Which of the following produces a negative acceleration? an object that is slowing down an object…

A: When a body is moving on the straight path, then the change in the velocity of the body in unit time…

Q: 4. The displacement of an object for a round trip between two locations A) is always greater than…

A: Concept -              displacement is the shortest distance between two points. it can be negative…

Q: A certain freely falling object, released from rest, requires 1.55 s to travel the last 22.0 m…

A: Given : t = 1.55 s yo = 22 m

Q: A 1250 kg helicopter travels in a straight line at a constant speed of 31.0 m/s for exactly 15.0…

A: mass = 1250 kg constant speed = 31 m/s time = 15 minutes ' = 15 * 60 = 900 seconds

Projectile Motion