If a 15kg ball takes 44 seconds to strike the ground when released from rest, at what height (meter unit) was the ball dropped?

Q: If you drop a rock from a brigdge, how far does it fall in three seconds?  A: 3 meters B: 9.8 meters…

A: Distance travelled is given by,

Q: If the speed at x = 1, v(x = 1) = 3 m/s then the speed at x 0, v(x=0) is:

A:

Q: A ball fall perpendicular from height h, = 19 m, then bounce back perpendicularly to height h, = 9…

A: Given: Initial height of ball, h = 19 m Second height, h1 = 9 m Third height, h2 = 4 m

Q: An arrow is shot from 5 ft above the top of a hill with a vertical upward velocity of 104 ft/s.…

A: Given:- The arrow from above the top of the hill is 5 ft  The vertical upward velocity v = 104…

Q: A 7kg object is dropped on Earth,. Assuming it has not yet hit the ground, what is the velocity of…

A:

Q: What is the impact speed when a car moving at 100km/hr bumps into rear of another car travelling in…

A: Impact speed is the speed just before collision, Since both the cars are moving ,the car moving with…

Q: After being released form the ground, a golf ball reached its maximum height in 14.37 s. And 6.96 s…

A: Given:    Time required to reach maximum height , t1 = 14.37 s Time to reach the fence after maximum…

Q: If the speed at x = 1, v(r = 1) = 3 m/s then the speed at x = 0, v(x=0) is:

A:

Q: A stone is dropped from the top of a building and hits the ground after 3 sec. What is the height of…

A: Given data: Initial velocity (v0) = 0 m/s Time taken (t) = 3 s Required:  The height of the building…

Q: How fast is 90 km/hr in m/s?

A: Solution:

Q: With what speed in miles/hr (1 m/s = 2.23 mi/hr) must an object be thrown to reach a height of 91.5…

A: Assuming negligible air resistance.

Q: 15 m/s. In what direction and with what speed does the third piece explosion? move after the

A:

Q: . A stone dropped from a building takes 4 s to reach the ground. The height of the building is (a)…

A: Given data: Initial velocity (V0) = 0 m/s Time (t) = 4 s Required: The height of the building

Q: 3. A 13kg cannon ball was dropped from a height of 180 ft above the ground. If there is no air…

A: Initially ball is in rest (vi) = 0 Final distance (yi) = 0 Conservation law becomes   (1/2)mvf2 =…

Q: a shoe was dropped from a building and passes the third floorin 0.25 seconds. if each floor of the…

A: Given:Each floor of the building has a height = 4.5 metersTime,t=0.25 secFind high above the third…

Q: A rubber ball is dropped from a height of 10 m and rebounds three-quarters the distance after each…

A:

Q: If it takes a ball dropped from rest 2.208 s to fall to the ground, from what height H was it…

A: Given: Initial velocity of ball, u = 0            Time taken by ball to fall to the ground, t =…

Q: A 86.1 kg stone is dropped from the top of a building. It takes 9.1 s for the stone to hit the…

A: Given data: Mass m = 86.1 kg time t = 9.1 s

Q: Sketch or Drawing of a student throws a ball upward from a height of 48 feet, initially at 32 feet…

A: Height of tower / building = 48 feet  Initial velocity (u) = 32 feet /s Acceleration due to gravity…

Q: An astronaut on earth can throw a ball straight up to a height of 15 m . How high can he throw the…

A: Given An astronaut on earth can throw a ball straight up to a height of 15 m. We have to How high…

Q: If the ball bounces straight up and returns to the floor 3.1 s after first striking it, what was the…

A:

Q: A 1000-kg automobile enters a freeway on-ramp at 20 m/s and accelerates uniformly up to 40 m/s in a…

A: First of all we have to calculate the acceleration of the automobile. Acceleration of an object is…

Q: If the period of a circular motion is 0.2 minutes, what is its frequency, in hertz?

A: given :  T = 0.2 minutes

Q: What is the impact speed when a car moving at 100km/h bumps into rear of another car travelling in…

A: the imapct speed is

Q: Calculate the height (in m) of a cliff if it takes 2.27 s for a rock to hit the ground when it is…

A:

Q: If the height of an object from the ground is doubled, its gravitational potential energy (a)…

A: To determine: The correct option and the representation of given mass in SI unit.

Q: Water drops from a faucet at the rate of 4 drops per second. What is the distance between two…

A:

Q: A ball drops from a building and strikes the ground in 1.8 s. The speed (in m/s) with which the ball…

A: Using equation of kinematics, v=u+at=u-gt                     Since, a=-g

Q: You throw a m =0.9 kg ball straight up, giving it an initial velocity of magnitude v= 10 m/s.…

A: Given data:  Mass (m) = 0.9 kg Initial velocity (v0) = 10 m/s Acceleration due to gravity (g) = 9.8…

Q: The speed of the two cars (together) after the collision was 17 m/s. What was that in km/h? O 4.7…

A: The speed of the two cars (together) after the collision was V = 17 m/s .

Q: What is the speed (in m/s) acquired by a freely falling object 5 s after being dropped from a rest…

A: Given data:  A freely falling object  Initial velocity (Vi) = 0 m/s Time (t) = 5 s Required:  Final…

Q: A ball is dropped from the top building of height 14 m, what is the velocity when it falls to the…

A: Height from which the ball is dropped h=14 m Acceleration due to gravity g=9.8 m/s2

Q: A ball was dropped from the top of the building. If the ball was from a height of 144 meters from…

A:

Q: Robert is standing on a bridge that spans a canyon. He drops a pebble from the bridge, and records…

A: Given values ; Time the stone reaches  to water = 5.49 seconds Height= ?  When the stone is dropped…

Q: if a car starts from rest and reaches a speed of 20 m/s in 5s, what distance was covered?

A: To find out the distance , we will use equation of motion :  s= ut + 1/2 at^2  where , s= distance…

Q: If a 1.3 kg ball is dropped from the top of a 33.7 meter tall building, what is the maximum…

A: Given data The mass of the ball is m=1.3 kg The height of the building is h=33.7 m The potential…

Q: A 3kg ball is thrown straight into the air at 8m/s. How high does it travel? Use g=9.8m/s2

A:

Q: How much does the speed change over the first 3 seconds (in cm/s) ?

A:

Q: After being release from rest, the objects move. When the blocks have moved 1 meter, calculate the…

A: This is a question regarding Newton's 2nd law of motion and the motion of a system of objects under…

Q: For a particle, acceleration is given: a = 4x, units are ft/s^2 and feet. If v = 1.5 ft/s when x =…

A:

Q: How far (in meters) will the block move in 5.0 s? Recall that it starts from rest.

A: The components of the force F1 is as follows: F1x=F1cosθ1F1x=4.0 Ncos25°F1x=3.62 N…

Q: A ball of 5kg is shot vertically upward with 19.6m/s.  What is the maximum height it can reach (in…

A: Given data The mass is m=5 kg The initial velocity is u=19.6 m/s   For maximum height, the final…

Q: An object is dropped at rest from the roof of a building of height h. Neglect air resistance. In…

A: The remaining height of the building is, s=h-h5=4h5 When the object is dropped from the rest, the…

Q: QUESTION 7 Which two of the following objects have the same speed? An object travels 40 meters in 10…

A: The accelerations for the four cases are:

Q: A man has a pace factor of 0.65/pace. If a distance on the ground was measured to be 45.50m, it…

A:

Q: A stone takes 6.00 s to hit the beach after falling from the top of a cliff. Ignoring air friction,…

A: Given here,time taken, t=6 s from the second equation of motion,             S = ut + 12at2

Q: Given the illustration below, a ball is thrown at A with Vo= 125 ft/s and e=0.90 at A. Compute the…

A: Given data: The initial velocity of ball is v0=125 ft/s. The coefficient of restitution is e=0.9.…

Q: If a marble is released from a height of 1955 cm, how long would it take to hit the ground?

A: v=2gh=29. m/s21955 cm1 m100 cm=19.6 m/s