A speak takraw ball was thrown with an initial upward velocity component of 9 m/s and an initial horizontal velocity component 5 m/s. Ignore air resistance. Find the ff. a. The velocity at which was thrown b. Its initial kinetic energy

Q: A cannonball with mass 20 kg is fired from a cannon sitting at the top of a 30-m tall hill. The…

A: Formula of initial kinetic energy is as follows: Ki=12mu2…

Q: You want to drop a ball of weight 10.0 N into free fall from rest from a certain height above the…

A: The weight of the ball,

Q: A car with a mass of 1290 kilograms is being driven at 17.9 meters per second when it runs into a…

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Q: The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground? Assume 92.7 %…

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Q: Draw a sketch and also a good FBD to identify the relevant forces doing work. Pay attention to the…

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Q: 2.) A ball with a mas of 0.3 kg is dropped from the top of a building whose height is 300 m. A.)…

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Q: Object A and B have 25 J of kinetic energy. Object B has one-quarter the mass of object A. a.…

A: Kinetic energy of obejct A and B is Mass of obejct B is Work done on each object is Find:(a) The…

Q: A 0.2 kg bullet is fired at a speed of 350 m/s. a.) How much kinetic energy does the bullet possess?…

A: Given: Mass of bullet, m=0.2 kg Speed of bullet, v=350 m/s   To determine: (a) kinetic energy  (b)…

Q: A ball is released from a height of 11 mand weighs 83 N. What is the magnitude of the total change…

A: The change in gravitational potential energy with change in height from ground can be expressed as;…

Q: What is the Net Work ? Wnet = Fnetd cos θ Cart Mass, mc . 284 kg Angle, theta 49 degrees…

A: Here given the mass mc, average velocity 0.171 m/sec ,the angleθ= 49°. We have to calculate the net…

Q: A truck travelling at a speed of 50 km/h has a kinetic energy of 600 kJ. If the speed of the truck…

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Q: 2. A cannon is rigidly attached to a carriage, which can move along frictionless horizontal rails,…

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Q: A ski area claims that its lifts can move 48,000 people per hour. a.)If the average lift carries…

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

A: Given  Mass of the flea m=0.450mg m=0.450×10-6 kg Or m= 4.5×10-7 Flea jump at h height h=20 CM h=…

Q: 3. A 140g baseball is struck by a baseball bat when the baseball is moving horizontally at 35m/s.…

A: Given: Mass of the baseball: m=140 g=0.140 kg The initial speed of the baseball: vi=35 m/s The final…

Q: What is the kinetic energy of a 65.0 kg sprinter running at 2.30 m/s? Express your answer in J.

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

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Q: 10. For the Atwood's machine shown. Initially mass m2 is moving upward with initial velocity 0.74…

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Q: What is the Net Work ? Wnet = Fnetd cos θ Cart Mass, mc . 284 kg Angle, theta 49 degrees Distance,…

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Q: - Who did more work? Explain

A: Solution : Work done (W) via Force (F) is equal to the change in Kinetic Energy (K.E) W = ∆K.E  W =…

Q: A person throws a 0.150 kg ball with a speed of 40.4 m/s at an angle of 28.00 to the horizontal.…

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Q: A projectile of mass 0.50 kg is fired with an initial speed of 10 m/s at an angle of 60° above the…

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Q: A 66.8 kg body has 4.5 times the kinetic energy of 83.5 kg body. Calculate the ratio of the speeds…

A: Given data:  Mass (m1) = 66.8 kg Mass (m2) = 83.5 kg KE1 = 4.5×KE2 Required: The ratio of the speeds…

Q: An 8.0-g bullet has a speed of 730 m/s. a. What is its kinetic energy? KE = J b. What is its kinetic…

A: Given data:  Mass (m) = 8.0 g = 8.0×10-3 kg Speed (v) = 730 m/s Required: The kinetic energy (KE)

Q: A 0.5-kg ball in the air has an initial velocity Vo = [-40 i] m/s + [-40 J] m/s. It falls for a…

A: Given: Mass, m=0.5 kgvelocity, Vo=[-40 i] m/s + [-40 J] m/sInitial kinetic energy, Ki=800 J   We…

Q: A ball of mass 50 kg rolls along a smooth horizontal surface with a velocity of 14 m/s. The ball…

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Q: Ball A is allowed to fall and strike ball B. Assume that all of the ball A energy is transferred to…

A: The potential energy of ball of the ball A is PEballA=mgh=2 kg9.8 m/s210 m=196 J

Q: When a 4.2g bullet hits a block of wood, it slows to a stop from an initial speed of 175.4 m/s. The…

A: Given:Mass of the bullet = 4.2 gInitial speed of the bullet = 175.4 m/sFinal speed of the bullet =…

Q: 7. Weight = 200 N. distance = 1.50 m. a Find the minimum work done to lift an object 1.50 m b When…

A: Solution for this question has been given below..

Q: A 375g ball is thrown with an initial horizontal velocity of 21.0m/s at a 4.50kg target that is…

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Q: The kinetic energy of a 3.0 kg object moving at a speed of 9.3 m/s would be: а. 130 J b. 260 J с. 28…

A: Given that,Mass, m=3.0 kgVelocity, v=9.3 m/s

Q: Choose all that applies to Kinetic energy.   A. Never negative.   B. Energy associated with…

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Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.00 m at…

A: Given, Weight of the barbell=400N height=2 m t=1.60 s

Q: child starts at rest and slides down a frictionless slide as in picture. The bottom of the track is…

A: According to conservation of energy total energy of isolated system remains constant.

Q: A projectile is fıred at an upward angle of 45.0° from the top of a 265 m cliff with a speed of 185…

A: According to the conservation of energy,…

Q: A 14.143-kg projectile was launched at 221.143 m/s, with an angle of 35.25 degrees with respect to…

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Q: What is the kinetic energy of a 12 000 kg truck moving at a speed of 25 m/s? Select one: a. 3.8 x…

A: We know Kinetic energy is given by : K.E.=12mv2 And Given : m=12000 Kg v =25 m/s

Q: Three objects with masses m, = 6.6 kg, m, = 14 kg, and m, = 16 kg, respectively, are attached by…

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