To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the height of the bridge is 41 m, how long will it take for the stone to hit the water? Neglect air resistance.     3.2 s     3.6 s     2.3 s     2.9 s     2.6 s

Q: 6. A rock is dropped from the top of an 80-meter tower. Air resistance is negligible. The magnitude…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: A model rocket on the ground is fired vertically from rest. It has a constant acceleration of 17.…

A:

Q: A volcano lobs a lava blob straight upward with an initial speed of 23.5 m/s.  Neglect air…

A:

Q: A bird is flying due east. Its distance from a tall building is given by: x = 28.0m + (12.4m/s)t…

A: Instantaneous velocity, v is given by v=dX/dt  where x is the position of the bird varying with time…

Q: A stone is thrown vertically upwards from the top of a building 50 m tall with an initial velocity…

A:

Q: The DR Horton Tower in Fort Worth is 400 m tall. Joe wants to set the world’s stair climbing record…

A: The expression from kinematics,

Q: What is the angle of the initial velocity?  Enter units as 'degrees'

A: Initial height=1m Time of ball up past the top of wall =1s Ball travelling distance D=62m.

Q: A soccer ball is kicked from the ground with an initial speed of 19.7 m/s at an upward angle of…

A: Free body diagram:                                              Given:initial velocity, u =…

Q: A ball is thrown vertically with a speed of 25.0 m/s from a height of 2.0 m above the ground a) how…

A: The kinematic equations of motion are- 1) v=u+at2) s=s0+ut+12at23) v2=u2+2a(s-s0) where,u is initial…

Q: A ball is thrown vertically up with an initial velocity of 36 m/s. Evaluate the time taken to reach…

A:

Q: A rocket engine can accelerate a rocket launched from rest vertically up with an acceleration of…

A: Given Data: Acceleration of the rocket, a=20.0 m/s2 Initial velocity, u=0 m/s Time of flight, t=50.0…

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 football player runs from his own goal line to the opposing team's goal line, returning to his…

A: Average speed of an object is defined as the total distance travelled by it divided by total time…

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

A:

Q: A horse and a squirrel participate in a race over a 2.00 km long course. The horse travels at a…

A:

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

A:

Q: PROBLEM 2.37 You drop a water balloon straight down from your dormitory window 100 m above your…

A:

Q: A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the…

A: Given: The motorist traveled 160 km at speed of 80 km/h. The motorist traveled 160 km at speed of…

Q: A mountain climber stands at the top of a 57.3 m cliff hanging over a calm pool of water. The…

A:

Q: A private jet carrying Parker takes off with a constant acceleration of 5 m/s^2. Romanoff jumps on…

A:

Q: A mountain lion is napping in the shade as a deer saunters by at steady 48.2 km/h. Feeling the…

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: During a test a rocket travels upward at 75 m/s, and when it is 40 m from the ground its engine…

A:

Q: The height of a helicopter above the ground is given by h = 2.90t3, where h is in meters and t is in…

A:

Q: car has an initial velocity of 25 m/s. It then accelerates to a final speed of 40 m/s after 10 s.…

A:

Q: 7. A car was moving at a constant velocity of 40 ms The driver saw an obstacle in front and he…

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

Q: A model rocket fired from the ground ascends with a constant upward acceleration. A small bolt is…

A: Given : Time (t1) = 1 s Time (t2) = 2 s Acceleration of free fall (g) = 10 m/s2 Time (t4) = 4 s

Q: A ball is dropped from the top of a tall building. At the same instant, a second ball is thrown…

A: The only force acting on both is gravitational force

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

A:

Q: A hot-air balloon is rising upward with a constant speed of 2.24 m/s. When the balloon is 6.38 m…

A: u=initiall speed of compass=2.24 m/s h= height=6.38 m   for upward motion first v=0 m/s u=2.24 m/s…

Q: A lion and a pig participate in a race over a 1.80 km long course. The lion travels at a speed of…

A: Given     Length of the race course L= 11.80 Km    Speed of Lion μ1=16.0ms    Speed  of pig…

Q: A horse and a squirrel participate in a race over a 1.40 km long course. The horse travels at a…

A: (a) The time taken by the squirrel to finish the race is given by, Time taken by squirrel to finish…

Q: A pebble is thrown downward from a 46.0-m-high cliff with an initial speed of 7.00 m/s. How long…

A: Given Data: The height of the cliff is: h=46.0 m The initial speed of the pebble is: u=7.00 m/s

Q: A soccer ball is kicked from the ground with an initial speed of 19.4 m/s at an upward angle of…

A:

Q: A stone was accidentally dropped from the top of a building 56 m high. After 0.38 s, another stone…

A: Given : Initial velocity of first stone u1=0 Height of the building (h) = 56 m Time difference…

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: For objects that are dropped from rest, use the initial speed of 0 m/s. For objects shot upwards,…

A:

Q: A weather balloon is released and rises vertically such that its distance s(1) above the ground…

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

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

A: Given data The velocity of the car in the first duration t1 = 45 min is v1 = 65 km/hr. The velocity…

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 soccer ball is kicked from the ground with an initial speed of 18.1 m/s at an upward angle of…

A:

Q: A jogger accelerates from rest to 3.12 m/s in 3.52 s. A car accelerate from 22.2 to 39.7 m/s also in…

A: a)Write the equation for acceleration

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: A baseball is hit at a height h = 1.00 m and caught at the same height.  It travels along side a…

A: What is the angle of the initial velocity. heighth = 1.00 mdistance D =62 m g=9.8 ms-2time taken to…

Q: A ball is dropped from rest and falls for 13.0 s. What is the velocity 13.0 s after it is dropped?…

A: From kinematics, the expression for the final velocity is: The initial velocity of the ball is zero…

Q: A hot-air balloon is rising straight up with a speed of 4.26 m/s. A ballast bag is released from…

A: Given speed of hot-air balloon = 4.26 m/s  A ballast bag is released from rest relative to the…

Q: 6. A ball is thrown vertically upward from the edge of a bridge 26.5 m high with an initial speed of…

A:

Q: A steel ball is dropped from a building's roof and passes a window, taking 0.117 s to fall from the…

A:

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 –