1. A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is 50 meters above the ground. What would its speed be after 2 seconds?
Q: A plane flies the distance between two cities in 2 hour and 45 minutes with a velocity of 800km/h.…
A: The distance is given by distance = speed x time
Q: While standing at the edge of the roof of a building, a man throws a stone upward with an initial…
A: From the kinematic expression the value for the time will be,
Q: 2 A stone is thrown straight upward and it rises to a maximum height of 40 m. With what speed was it…
A: Given data: Stone thrown vertically upward Maximum height (Hmax) = 40 m Required: Initial velocity…
Q: An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in…
A:
Q: 2. A bouncy ball is thrown to the ground from a height of 2.0 m. The ball strikes the ground and…
A: Given Data:- Initial height of the ball is hi=2.0 m After bouncing from the ground the ball reaches…
Q: what initial speed must you need to jump off the ground vertically and rise to a height of 0.9m?
A: SOlution: Given that h = 0.9 m to determine the initial speed
Q: 3.) A car travels 55 miles per hour for 2 hours at a constant speed. What speed is the car going? *…
A: given speed (constant speed) = 55 miles per hour time = 2 hours
Q: A bush baby can leap straight up to a height of 2.1 m off the ground. To reach this height, with…
A:
Q: A car initially traveling 19 m/s then accelerates 3.5 m/s? for 5.2 s. What is the car's speed at the…
A: Given Initial speed of car u = 19 m/s Acceleration of car a = 3.5 m/s2 time during which car…
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 ball is thrown straight up in the air with an initial speed of 10 m/s. Ignore air resistance and…
A: Initial speed = vi = 10 m/s Displacement = ( xf - xi ) = 5 m Acceleration due to gravity = a = g =…
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: 8. A person standing on a 25-m high ledge atop a cliff drops a rock. At the same time, another…
A:
Q: A stone is dropped (released) from the top of a building of 60 m above the ground. How long does it…
A:
Q: A bush baby can leap straight up to a height of 2.1 m off the ground. To reach this height, with…
A:
Q: 1. A stone is dropped from the top of a cliff. It is seen to hit the ground below after 4.5 seconds.…
A: Given Stone thrown from the cliff and it hit the ground after 4.5 sec To find out Height of the…
Q: A cart starts from rest and accelerates at 4.0 m/s² for 5.0 s, then maintain that velocity for 10 s,…
A: The first equation of motion is given by v=u+at Here, v is the final velocity of the object, u is…
Q: A rock is dropped from the top of the building ? Rock starts from rest and it takes 7seconds to…
A: Given t = 7 second G = 9.8 m/s2 We know that the the expression for time of flight is t=2hG
Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…
A: Here's the information that we need to use: yy is the vertical position vv is the rock speed tt…
Q: A car traveling 60 km/hkm/h slows down at a constant 0.50 m/s2m/s2 just by "letting up on the gas."…
A:
Q: A ball is projected upward at time t = 0.0 s, from a point on a roof 90 m above the ground. The ball…
A: initial velocity , v = 36.2 m /s height above ground = 90 m To find = Time taken to reach the…
Q: 14. A parachutist jumps out of a plane and falls freely for the first 50 m of the decent. The…
A: Before the opening of the parachute: ∆y=50 mvi,y=0 m/s Using the kinematic equation,…
Q: A tennis ball is thrown straight upward with an initial speed of 15 m/s. What is the speed of the…
A:
Q: 20. A ball is thrown vertically upward at 20 m/s from a height of 30 m above the ground. What is its…
A: Given: The intial velocity of the object is 20 m/s. The height of the object from the ground is 30…
Q: 1.) A plane flies the distance between two cities in 2 hour and 45 minutes with a velocity of…
A: Velocity of plane 1 is v1 = 800 km/hr Velocity of plane 1 is v2 = 950 km/hr Distance between two…
Q: 18. A ball rolls off a cliff that slopes downward at an angle of 35.0°. After 0.710 [s], the ball…
A:
Q: A pebble is released from rest at a certain height and falls freely, reaching a speed of 4 m/s at…
A: Given : A pebble at rest u = 0 speed v = 4 m/s…
Q: A baseball player throws a ball straight up into the air. At a height of 4.7 m above the release…
A:
Q: A car accelerates from rest at a constant rate of 2.12 m/s² for 15.0 s. It then ran at a constant…
A:
Q: An object is moving in positive x direction, slowing at a rate of 4.16m/s^2. After moving a distance…
A:
Q: You throw a 19.6-N rock vertically into the air from ground level. You observe that when it is 10.0m…
A: Given value --- height = 10 m. final speed = 20 m/s. We have to find--- initial speed?
Q: A rock is thrown straight up with an initial velocity of 6.3∗10^1m/s. What maximum height will the…
A:
Q: A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2. After 10…
A: Given data: Initial velocity (Vi) = 0 m/s Acceleration (a) = 5 m/s2 Time (t) = 10 s Required: Final…
Q: Omar throws a rock down with speed 14 m/s from the top of a tower. The rock hits the ground after…
A:
Q: A parachutist jumps out of an airplane and accelerates with gravity to a maximum velocity of 68.6…
A: According to guidelines we need to solve only first question. According to question--- We have to…
Q: A ball is thrown straight up in the air with an initial speed of 10 m/s. Ignore air resistance and…
A: According to kinematics V2-u2=2as where V=final speed u=initial speed a=acceleration S=distance…
Q: A baseball player throws a ball straight up into the air. At a height of 4.4 m above the release…
A: given v = 1.8 m/s h= 4.4 m
Q: A speedboat has a velocity of 48 kph as it comes out of a turn. It accelerates at the rate of 0.3…
A: Given: speed boat velocity v=48 kph = 13.33 m/s Acceleration a = 0.3 m/s2
Q: A parachutist after bailing out falls 50 m without friction. When the parachute opens, it…
A:
Q: b) 36m c) 1.5m d) 60m
A: Calculate the time taken to travel 20 m vertical height. h=uyt+12gt220 m=0+129.81 m/s2t2…
Q: A hippopotamus accelerates at 0.678 m/s^2 until it reaches a speed of 8.33 m/s. If the hippopotamus…
A: Acceleration of hippopotamus: a = 0.678 m/s2 Final speed of hippopotamus: v = 8.33 m/s Distance…
Q: An object is dropped from rest and impacts the ground with a velocity of 7.3 m/s. What height was it…
A: The object is dropped from the rest, hence initial velocity u=0 The object reached the ground…
Q: 15 A group of bike riders went on a 4-hour trip. During the first 3 hours, they traveled a total of…
A: The correct answer is option (A).
Q: A ball is thrown vertically downward from the top of a 36.6- m-tall building. The ball passes the…
A:
Q: You drive 6.0 km at 50 km/h and then another 6.0 k at 90 km/h. Your average speed over the 12km…
A: The speed is the ratio of distance over time, For the first 6.0 km the speed is 50 km/h, so the…
Q: A rock is thrown straight up with an initial velocity of 8.3 * 10' m/s. What maximum height will the…
A:
1. A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is 50 meters above the ground.
What would its speed be after 2 seconds?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- 1. A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is 50 meters above the ground.What would be its velocity be when it hits the ground?1. A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is 50 meters above the ground.What would be its position after 2 seconds?A ball is thrown straight up in the air with an initial speed of 40 m/s. Ignore air resistance and take g- 10m/s2. What is the speed of the ball when it reach 40 m above the ground? 20 m/s 20/2 mis 2/20 mis 3/20 m/s 20/3 m m/s
- A baseball player throws a ball straight up into the air. At a height of 2.8 m above the release point, the ball is moving at 2 m/s. What was the ball’s initial speed in m/s? assume ?=9.8?/?2g=9.8m/s2.1. A rock is thrown downward from the top of a 40.0-m-tall tower with an initial speed of 12 m/s. Assuming negligible air resistance, what is the speed of the rock just before hitting the ground?A ball is thrown down with an initial speed of 3.00 m/s from a height of 7.00 m above the ground. What is its speed right before it hits the ground, in m/s? Use g = 10.0 m/s2.
- 8. A 200 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 30 m/s² for 30 s, then runs out of fuel. Ignore any air resistance effects. (a) What is the rocket's maximum altitude? (b) How long is the rocket in the air before hitting the ground?Cliff height. You are climbing in the high Sierra where you suddenly find yourself at the edge of a fog-shrouded cliff. To find the height of this cliff, you drop a rock from the top and 10 s later hear the sound of it hitting the ground at the foot of the cliff. Ignoring air resistance, how high is the cliff if the speed of the sound is 330 m/s?A small rocket launched straight up. When at a height of 5.0km and velocity of 200.0 m/s, it is releases its booster and enters free fall. Neglecting air friction, 1. what is the velocity of the rocket at a height of 6.0km on its way up? A. 142 m/s B. 200 m/s C. 244 m/s D. 397 m/s 2. What is the maximum height, above the ground, the rocket attains? A. 2020m B. 5000m C. 7040m 3. Calculate the total time of flight between releasing its boosters and falling back and hitting the ground? A. 20.4a B. 40.8s C. 37.9s D. 58.3s
- A ball is thrown straight up in the air with an initial speed of 10 m/s. Ignore air resistance and take g = 10m/s2. What is the speed of the ball when it reach 5 m above the ground? O m/s 5 m/s 5/2 m/s 10 m/s 10/2 m/s3. A rocket, initially at rest, is fired vertically upward with an acceleration of 10 m / s2. At a height of 0.50 km, the rocket engine shuts down. What is the maximum height the rocket reaches? choose an answer A B C D E 1.9 km 1.3 km 1.6 km 1.0 km 2.1 km12. An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 15.0 m if her initial speed is 3.00 m/s. What is the free-fall accelera- tion on the planet?