You are launching a 2-kg potato out of a potato cannon. The cannon is 1.5 m long and is aimed 30 degrees above the horizontal. It exerts a 50 N force on the potato. What is the kinetic energy of the potato as it leaves the muzzle of the potato cannon?

Q: A truck pushes a pile of dirt horizontally on a frictionless road with a net force of 20.5 N for…

A: Given data:  Force (F) = 20.5 N Displacement (d) = 23.6 m Required: The increase in kinetic energy

Q: What is the average power exerted by the spring as it returns to its original length?

A:

Q: A 20 N object is lifted a distance of 5.0 meters. The object has 100.0 N of potential energy. True…

A: Potential energy is weight times the displacement in that direction. PE = W × h

Q: The superheroine Xanaxa, who has a mass of 66.7 kg, is pursuing the 79.7 kgkg archvillain Lexlax.…

A: Initially, the potential energy of superheroine will be, Since the Superheroine leaps from the…

Q: A 2 kg cart slides 5 m to the right along a frictionless horizontal table which being acted upon by…

A: Given data The mass is m=2 kg The displacement is d=5 m The force in the right is F1=3 N The force…

Q: A helicopter of mass 1250 kg is cruising at a speed of 25 m/s at an altitude of 185 m. What is the…

A:

Q: A 700-g block is dropped onto a relaxed vertical spring that has a spring constant k =200.0 N/m. The…

A: Given , Mass = 700 grams = 0.7 kg spring compression x = 46.6 cm = 0.466 m  spring constant k = 200…

Q: A 1.00 kg ball is sitting at the bottom of a hill. Feeling playful, you decide to push it as hard as…

A:

Q: Two sledders go down a steep hill for which friction is negligible on identical sleds. Sledder A has…

A: Mass of sledder A = 50 kg Mass of sledder B = 75 kg

Q: The only force acting on a 3.0 kg body as it moves along the x axis varies as shown in the Figure.…

A:

Q: What is the kinetic energy of the skateboard at the bottom of the ramp? Group of answer choices 4176…

A: Given data: Mass, m=58 kg Velocity at the bottom of the ramp, v=12 m/s

Q: A 64.0 kg man, standing on a frictionless walkalator inclined at =33.0° below the horizontal, holds…

A:

Q: A 17.5 kg projectile is fired straight up with an initial velocity of 38.7 m/s from a point on the…

A:

Q: Miguel (m=80.0 kg) is competing in the state diving championship. He leaves the springboard from a…

A: Miguel's mass =80kgInitial height of Miguel=4m above the water surfaceInitial velocity u=6m/sTotal…

Q: Pam, wearing a rocket pack, stands on frictionless ice. She has a mass of 45 kg. The rocket supplies…

A: Given-          Mass,   m= 45kg          Displacement,   d= 22m          Initial speed ,u =…

Q: During an investigation of kinetic energy, a student was measuring the speed of an object using…

A:

Q: A soccer ball hits the goalie's hands with a horizontal velocity of 38 m/s. The mass of the soccer…

A:

Q: A 100 kg box has 5,000 J of kinetic energy. The coefficient of friction between the box is 0.4. How…

A: Given that Mass of the box m = 100 kg Kinetic energy K = 5000 J Coefficient of kinetic friction is μ…

Q: A 1.5-kg object moving along the x axis has a velocity of +4.0 m/s at x = 0. If the only force…

A: Solution:-Using work energy theoremKinetic energy= work done =Net area

Q: A 15.0-g bullet is accelerated from rest to a speed of 780 m/s in a rifle barrel of length 72.0 cm.…

A:

Q: In a circus act, a 60 kg clown is shot from a cannon with an initial velocity of 16 m/s at some…

A: Given,

Q: A bride tosses a bouquet of flower through the air with a speed of 1.8 m/s, and it smacks one of her…

A: Mass of bouquet is Speed is Note:Find:Kinetic energy of bouquet.

Q: The only force acting on a 4.0 kg body as it moves along the x axis varies as shown in the Figure.…

A: We are given force as function of distance. The area under graph gives work done. The work done is…

Q: A 100 gram body falls 1500 mm to the surface of the earth. What is its kinetic energy as it hits the…

A:

Q: An 85 kg skydiver jumps from a stationary helicopter that is 5.5 km above the ground. After 55 s of…

A: Given Mass (m)    = 85 kg Height (h)  = 5.5 km Time (t)      = 55s Velocity (v) = 6.4 m/s x^ + 60…

Q: A fighter jet is launched from an aircraft carrier with the aid of its own engines and a…

A: The objective of the question is to find the work done by the catapult on the fighter jet. The work…

Q: An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of…

A: Given:  Force acting on the boat, F = 200 N towards east  distance , d = 8 m at an angle 20 degree…

Q: A 1 kg block is pushed with constant force along a horizontal, frictionless track for a period of 10…

A: Given Data : The mass of the block is given as m = 1Kg. The initial velocity of the block is given…

Q: A 1700 kg car starts up a 130 m long hill at a speed of 20.0 m/s. If the propulsive force (up the…

A: Work done by gravity  Wg = -mgh = -1700×9.81×48.1 = -802163.7 J Work done by propulsive force  WP =…

Q: A 3 kg object is moving to the right at a speed of 10ms10ms. The initial kinetic energy of the…

A: Scenario: An object is already set to motion with given velocity such that carrying kinetic energy…

Q: A football player is dragging a 100 kg sled across an Astroturf field at a constant speed of 5 m/s…

A: Mass is sled (m) = 100kg  Velocity (v) = 5m/s Tension in the rope is (F) = 500N

Q: A ball hangs on a rope of 0.80 m. The ball is pushed horizontally so that it has a speed of 1.3 m/s.…

A: The net force acting on an object is equal to the product of the mass and acceleration of the…

Q: A 2 kg ball is dropped from a height of 1m. What is the total mechanical energy possessed by the…

A:

Q: A rope exerts a force F⃗ on a 20.0-kg crate. The crate starts from rest and accelerates upward at…

A:

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given: The height which can be achieved by person is h=60 cm. The mass of person is m=65 kg. The…

Q: A 64.0 kg man, standing on a frictionless walkalator inclined at 0=33.0° below the horizontal, holds…

A:

Q: A 1000-kg car is traveling at 20 m/s along a horizontal road when the brakes are applied. The car…

A: Given that,Initial speed : u = 20 (m/sec)Fina speed : v = 0 (m/sec)Mass of the car : m = 1000…

Q: Hawkeye draws his compound bow and shoots an arrow. The 23 g arrow leaves the bow with a velocity of…

A:

Q: A 270 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 1.1 N/cm…

A: Solution:-

Q: A baseball outfielder throws a 0.150-kg baseball at a speed of 30.0 m/s and an initial angle of…

A: The kinetic energy of a body is the energy the body processes because of its motion. The total…

Q: What is the kinetic energy of a 146.7 g baseball thrown at 49.8 m/s at a height of 114 m? Use g=9.8

A: Given that,Mass, m=146.7 gm=146.7×10-3 kgInitial speed, v0=49.8 m/sHeight, h=114 m

Q: The pitcher throws the 0.145 kg baseball towards the catcher at 42 m/s. (a) How much kinetic energy…

A: Given: The mass (m) of the baseball is 0.145 Kg. The speed (v) of the baseball is 42 m/s.…