When throwing a ball straight up, which of the following are correct about the magnitudes of its velocity, v, and its acceleration, a, at the highest point in its path?       a. v = 0 and a = 0   b. v and a are both at their maximum values   c. v is not zero and a = -9.8 m/s2   d. v = 0 and a = -9.8 m/s2   e. v is not zero and a = 0

Q: A ball is dropped from a boat so that it strikes the surface of a lake with a speed of 16.5 ft/s.…

A:

Q: A soft tennis ball is dropped onto a hard floor from a height of 2.00 m and rebounds to a height of…

A: Given data

Q: A body moves in a straight line so that its acceleration is a=3v, where a is in m/s2 and v in m/s.…

A: a= 3v  If S= 3m when v= 1.2m/s

Q: A rocket is fired upward from some initial distance above the ground. Its height (in feet), h, above…

A: Given:- A rocket is fired upward from some initial distance above the ground. Its height (in feet),…

Q: How high is a building if it takes 9 seconds for an object to hit the floor? Pretend the object was…

A: time, t = 9 seconds man holding the ball at a height of 1m

Q: In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the…

A:

Q: 3) You throw a ball straight up. The ball leaves your hand at a height of 2.00 m above the ground…

A:

Q: A muzzle-loading rifle fires 22LR bullets such that as they travel down the barrel of the rifle…

A:

Q: A coin is thrown from a moving car. While it is in flight, it is not true that its   what is the…

A: When coin is thrown from a moving car then either it is thrown upward or at any angle or…

Q: You are stuck on a two lane road behind a truck traveling 64.4 km/h (40 mph). You pull into the…

A:

Q: 4 A floorball player hits the ball then it moves across the floor horizontally in a straight line…

A: Given: a(t) = -2.4tv(0) = 56 m/sx(0) = 56 m/swe have to findv=? , when x=230m

Q: You drop an object from rest (initial velocity = 0) from a height of 6.8 metres. What is the final…

A:

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 Boeing 747 “Jumbo Jet” has a length of 59.7 m. The runway on which the plane lands intersects…

A:

Q: A muzzle-loading rifle fires 22LR bullets such that as they travel down the barrel of the rifle…

A:

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: A student begins at rest and then walks north at a speed of v1 = 0.55 m/s. The student then turns…

A: Given: Speed v1 = 0.55 m/s along north direction Speed v2 = 0.53 m/s along south direction Taking…

Q: 1.A motorboat was moving E 20° S] at 50.0 km/h. The operator then turned the boat E 20° N] and…

A: 50kmph E 20° S  30kmph E 20° N  East and West as X axis  North and South as Y axis  T= 5min

Q: 1) A car initially at rest at a traffic light accelerates at 3m/s' when the light turns green. After…

A: 1)  Given  Initial velocity(u) = 0 Time (t) = 4 sec Acceleration (a)  = 3 m/s2

Q: Cheetahs can accelerate to a speed of 20.0 m/s20.0 m/s in 2.50 s2.50 s and can continue to…

A: Given: Speed of the cheetah = 20 m/s The time that is taken by the cheetah = 2.50 s The final speed…

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: Write Good if the statement is True else write Bad if the statement is false. a) In a projectile…

A:

Q: ll is thrown downward with a speed of 8 ft/s from the top of a 64-foot-tall building. After t…

A: We know that the formula of the velocity in terms of time and distance is given as  v= dsdt where v…

Q: 78) A car is traveling north at 17.7 m/s. After 12 s its velocity is 14.1 m/s in the same direction.…

A: 78. According to the kinematics equation, find the average acceleration of the car,…

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

A:

Q: A female motorcycle rider at rest is passed by a friend traveling at a constant rate of 120.…

A:

Q: A train makes a journey in which at a point on its trajectory a speed of 80.0 km / h is measured…

A: answer:) option (c) explanation:) Acceleration =initial speed-final speedtime interval…

Q: • 2. An arrow is shot upward from the top of a 740 ft building with an initial velocity of 68 ft/s.…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

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: A Boeing 747 "Jumbo Jet" has a length of 64.5 m. The runway on which the plane lands intersects…

A:

Q: person travels by car from city to another with a different constant speeds between pairs of cities.…

A: Given data :  Time (40 min ) for = 85.0KM/h  Time (8 min ) for = 50.0KM/h  Time (50 min) for = 30.0…

Q: < Which of the following best compares average speed with average velocity? 2 A Average speed is…

A:

Q: 2. A car makes a 60 km trip with an average velocity of 40.0 km/h in a direction due north. The trip…

A: car travels distance = 60 km car velocity = 40 km/h

Q: A boat leaves the dock at t = 0 and heads out into a lake. The wind gives the boat an initial…

A: Initial velocity = 2i^ - 3j^ msacceleration = 1.5i^ + 1.2j^ ms2t = 15 sec

Q: A car travelling along a road with a speed of v= 3s^(3/2) m/s where s is in meters a. Determine the…

A:

Q: A certain freely falling object, released from rest, requires 1.95 s to travel the last 32.0 m…

A:

Q: A child drops a ball from a window. the ball strikes the ground in 3.0 seconds. what is the velocity…

A:

Q: You go watch your friend as she runs at a cross country meet. The first time she passes you, your…

A: The velocity 1, v→1=4.40 j^   The velocity 2, v→2=-3.80 sin30° i^-3.80 cos30° j^=-1.90 i^-3.29 j^

Q: 4. You drive for 30 min for 30 km east and then another 30 min for 40 km north. The magnitude of…

A: Average velocity is displacement divided by time interval of the displacement. Here, we calculate…

Q: A train makes a round trip on a straight, level track. The first half of the trip is 300km and is…

A: Given:For first half of the tripDistance covered by train s1 = 300 kmSpeed of the train v1 = 75 km/h…

Q: I see that an object has is decelerating, what does this tell me about A? A. Nothing at all, what…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A missile silo is used to launch military rockets vertically upward out of the silo, giving the…

A: Given: The initial speed of the rocket is Vi = 79.6 m/s. Acceleration of the rocket is a = 3.90…

Q: Two soccer players start from rest, 35 m apart. They run directly toward each other, both players…

A: