What is your new speed, while holding the flour stack? Suppose you now try to rid yourself of the extra weight by throwing the flour sack straight up. What will be your speed while the sack is in the air? (Same/increase/decrease)

Q: The 35-kg crate is projected down an incline as shown with an initial speed of 7.6 m/s. Investigate…

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Q: Jackie has a car that accelerates at 8.5 m/s2. If the car has a mass of 2300 kg, how much force does…

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Q: A 10.0-kg box starts at rest and slides 3.5 m down a ramp inclined at an angle of 10 ° with the…

A: Given: The mass of the crate is m = 10 kg The ramp inclined at an angle is 100 The distance moved by…

Q: A ball is thrown and follows the parabolic path shown above. Air friction is negligible. Point Q is…

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Q: An 8.7 kg block slides with initials speed of 1.66 m/s across a level floor. How far does the block…

A: The equation of motion is given by,

Q: A 17.5 KN automobile is traveling down the 10° inclined road at a speed of 6 m/s determine how far…

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Q: Your teacher tosses a basketball. The ball gets through the hoop. Neglect: Air Friction a)how long…

A: Height from which ball is thrown ho=2.396 m and initial velocity u=17 m/s at an angle 72o. The…

Q: constant applied force ?p of 15.0 N pushes a box with a mass ?=6.00 kg a distance ?=15.0 m across a…

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Q: An adventurous archeologist (m = 83.5 kg) tries to cross a river by swinging from a vine. The vine…

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Q: A cannonball is fired straight up into the air. The cannonball leaves the cannon at a speed of 81…

A: Given: The cannonball is fired straight up into the air. And here the given details about this…

Q: The small mass m 1.4 kg and big mass M= 9.5 kg are initially at rest with the small mass at the top…

A: From conservation of momentum:

Q: Neglecting air resistance, with what initial speed would you have to throw a ball into the air so…

A: To find the maximum height at which ball reaches.

Q: An adventurous archeologist (m = 84.5 kg) tries to cross a river by swinging from a vine. The vine…

A: Given data: Mass (m) = 84.5 kgThe length of the Vine (L)= 10 mThe speed at the bottom swing (V) =…

Q: 4.3. Someone drops a rock from a bridge. ou can neglect air friction as you answer the following:…

A: using,       for t= 0.5 s        for t = 1.0 s         for t = 2.0 s

Q: You are a good tree climber and were helping your neighbor kid retrieve his pickle ball that was…

A: Given that,  The ball is about 5m above the ground, h = 5 m Downward initial velocity, u = 2 m/s…

Q: marble rolls off the roof of Physics hall and falls vertically. Just before it reaches the ground,…

A: Given  Initial velocity u = 0  Final velocity v = 15 m /s  Height h = ?

Q: A skateboarder is trying to skate horizontally off a building and jump over a pool as shown! The…

A: Kinematic expression for vertical distance covered h=uyt+12gt2t=2hg=212.0 m9.8 m/s2=1.5649 s≈1.56 s

Q: Four identical cannons each launch a 20 kg cannonball at an angle of 60° above horizontal. Neglect…

A: Given, Four identical cannon launch cannonball with angle 600 above the horizontal

Q: I set up my inclined track apparatus at an angle of 15 degrees on a lab bench as shown in the figure…

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Q: The average thrust created by the first stage engine of a model rocket is 50N. The rocket has an…

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Q: When a model rocket is launched, the propellantburns for a few seconds, accelerating the rocket…

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Q: To throw a baseball, the pitcher winds up, starting the ball from rest. They then accelerate the…

A: Given data:  Initial velocity (u) = 0 m/s Displacement (d) = 3.4 m Final velocity (v) = 46 m/s…

Q: It is possible to grasp a cup of water at the top and swing it over your head fast enough that the…

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Q: A skier leaves a ski jump at 14.4 m/s at some angle Q. At what speed is he travelling at his maximum…

A: Given : initial speed u =14.4 m/s maximum height H =4.4m angle of projection =Q

Q: A marble rolls off the edge of a 1.2 meter high table with an initial speed of 0.5 m/s. a) how long…

A: Write the given values with the suitable variables. h=1.2 mu=0.5 m/s Here, h is the height and u is…

Q: A 1.9-kg block slides down a frictionless ramp. The top of the ramp is h1= 1.9 m above the ground;…

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Q: Why do Astronauts experience the feeling of weightlessness in orbit? At the Shuttle's altitude, the…

A: A person will feel weightless/free fall whenever there is no force to counter the force of gravity.…

Q: Planet Roton, with a mass of 9.00 x 1024 kg and a radius of 3600 km, gravitationally attracts a…

A: Given that the value of mass of the planet rotton and also given the radius. Then We have to…

Q: Tarzan (m=85kg) tries to cross a river by swinging on a 10 m long vine. His speed at the bottom of…

A: mass , m = 85 kg Length , L = 10 m Velocity at the bottom , V = 8 m/s To find = Tension in the rope

Q: As a stone falls from the building, what is true about the vertical velocity as each second passes?…

A: Solution: Using the kinematic equation, the final velocity after  one second can be obtained as,…

Q: When the velocity v of an object is very large, the magnitude of the force due to air resistance is…

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Q: An object weighing 15 N swings at the end of a rope that is 0.86 m long as a simple pendulum. At the…

A: The net force on the object will be the difference of the downwards and upward forces acting on it.…

Q: A child on a bridge throws a rock straight down to the water below. The point where the child…

A: Given: In this question, the given details are A child on a bridge throws a rock straight down to…

Q: Sam has a mass of 116kg, he attempts to see how high he can jump by performing a standing high jump.…

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Q: From a distance of 20 centimeters, a miniature toy catapult fires a shot.  With the marble on top,…

A: Marble in the catapult stands at 7cm height. Marble on top of the building stands 13.5 cm  The…

Q: m = 5 kg 40° 3m 3m (т hị Va = 2.0 m/s hy= 0 m Theoretical: Use the energy method to find v3.…

A: Values given in the question are as follow; θ=40ova=2 mshi=0.702 mhf=0l=3 mm=5 kg According to…

Q: A ball of mass m is shot straight up into the air with an initial speed Vị.

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Q: 16. A 3-kg block slides over the smooth, icy hill shown. The top of the hill is horizontal and 70 m…

A: Given: The mass of the block is m=3 kg. The distance of the top of the hill is h=70 m. The distance…

Q: Q2: Jane, who weighs 500 N, must cross a river full of hungry crocodiles to save Tarzan, who weighs…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A piano has been pushed to the top of the ramp at the back of a moving van. The workers think it is…

A: Given-h=1.5 mm=1.5 mθ=260g=9.81 m/s2

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!