A balloon is moving vertically upwards with a speed of 10 m/s when an object is dropped from it when it was at 40 m height. Find the speed of the object when it hits the ground (m/s). P a. 30

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A: In this case, we can use projectile motion concept because the biker is subjected to no other force…

Q: Grug is a creature formed from the top of a Burrawang tree, standing -1.25m tall. One day, Grug…

A: Given: h1=2.7 m h2=60 cm =0.6 m initial velocity v1=0 m/s

Q: A rock, released at rest from the top of a tower, hits the ground after 1.5 s. What is the speed of…

A: When the rock is released from the top of the tower, its potential energy  is converted to kinetic…

Q: A slingshot fires a pebble from the top of a building at a speed of 19.0 m/s. The building is 36.0 m…

A:

Q: A ball with a mass of 39 m is released at a height of h above the ground. If we ignore the air…

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Q: A car traveling 3.5 m/s coasts up a hill decreasing its speed to 2.2 m/s. Neglecting losses from…

A: From the conservation of energy:

Q: A spring gun with a constant 4 N/m is compressed 2 meters from its natural length and then shoots a…

A:

Q: 38. What is the kinetic energy of a 10 kg object moving at 2 m/s? O 10J O 20 J O 40 J O 100 J

A: Here the mass of object is 10 kg and velocity is 2m/s.

Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12kJ O0.12 kJ O 120 kJ O 12 k

A: Part (1): Given: The mass of the object is 30 kg. The speed of the object is 20 m/s.

Q: The power needed to accelerate a projectile from rest to its launch speed v in a time t is 33.0 W.…

A: Note that power is energy or work done per unit time. initial power is, P=KEtP=12mv2t the final…

Q: 3. What is the kinetic energy of a 1.5 kg body if it travels at a velocity of 20 cm/s?

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Q: A cart travels along a frictionless roller coaster track. At point A, the cart is10 m above the…

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Q: What is the kinetic energy of a 15 g mass moving at 127 m/s

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Q: 33. A skier is sliding downhill at 8 m/s when she reaches an the icy patch on which her skis move…

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Q: If the original height of the rock is y, = h = 3.0 m, calculate the rock's speed when it has fallen…

A: Given data: Initial speed of the rock, u=0    y1=3.0 m  y2=1.0 m

Q: A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed…

A: Given Height of cliff is △y=50.0 m Horizontal velocity of stone is vox=18.0  m/s Acceleration due to…

Q: A 16.7 kg mass is thrown downward from a height of 18 m with a speed of 3.2 m/s. For the following…

A:

Q: A roller coaster is moving at 10 m/s at the top of the first hill (h= 63 m). Ignoring friction and…

A: Concept  Apply work energy theorem, Change is Potential Energy=Gain in Kinetic energy

Q: A roller coaster is moving at 9 m/s at the top of the first hill (h= 60 m).  Ignoring friction and…

A:

Q: A roller coaster is moving at 17 m/s at the top of the first hill (h= 54 m). Ignoring friction and…

A: The energy of the roller coaster remains conserved throughout its journey.

Q: At the Earth's surface, a projectile is launched straight up at a speed of 6.3 km/s. To what height…

A: Given data The speed of the projectile is u = 6.3 km/s = 6300 m/s   The expression for energy…

Q: A cart which has a mass of 20 kilograms slides down a frictionless slope of a hill. If the cart…

A: Given value--- mass = 20 kg. speed at bottom = 15.6 m/s. We have to find --- height?

Q: 19. A 1200 kg roller coaster is traveling at 13 m/s at the top of the 30 m high hill. What is the…

A: Let v1 and v2 be defined as the velocity at the top and bottom. And let h1 and h2 be defined as the…

Q: A roller coaster is moving at 15 m/s at the top of the first hill (h= 52 m). Ignoring friction and…

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Q: The cliff divers at Acapulco, Mexico, jump off a cliff26.7m above the ocean. ignoring air…

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Q: Find the simplest unit of the Q = va/w , in which v is velocity, a is acceleration and w is work

A: We have to understand the basic here.

Q: A roller coaster is moving at 13 m/s at the top of the first hill (h= 53 m). Ignoring friction and…

A:

Q: Cats are very agile and high-jumping animals due to their limb length and muscle mass on the back…

A: Maximum height attained by cat during jumping  is given as H = 2.5 m  Acceleration due to gravity =…

Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12 kJ O.12 kJ O 120 kJ O 12 kJ

A: Given data: Mass (m) = 30 kg Velocity (v) = 20 m/s Required: Kinetic energy (KE)

Q: Kinetic Energy is: KE=12mv2KE=12mv2, where KE=KE= kinetic energy, m=m3mass, and v=v=velocity. What…

A: Given that --- mass of car (m) = 1035 kg speed of car (v) = 25 m/sec. Question ? kinetic energy ?…

Q: A roller coaster is moving at 6 m/s at the top of the first hill (h= 56 m). Ignoring friction and…

A: Write the given values with suitable variables. u=6 m/sh=56 mh'=24 m

Q: Gadon leaves the top of a hill with an initial speed of 5.0 m/s. His speed at the bottom of the hill…

A: Given data as per question v  =  13m/s u   =  5m/s g  =  9.81m/s2

Q: What is the Kinetic Energy of the car with a mass of 0.032 kg as it exits the track? KE = 1/2mv

A: Given- Mass of car (m)= 0.032 Kg Let take "v" is velocity of car by which it exits from the track.

Q: A roller coaster is moving at 8 m/s at the top of the first hill (h= 43 m).  Ignoring friction and…

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Q: How to find Kinetic Energy?  KE= 1/2mv1 2   m= 60 grams      v1= 688.75

A: The mass is given 60g. The speed is given 688.75 cm/s2.

Q: Calculate the kinetic energy of a body which has a mass of 5 kg and velocity of 10 m/s.

A: .

Q: An object is thrown upward with a speed of 9.8 m/s. What is its speed at the highest point? Select…

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Q: What is the speed of the particle when it reaches x = 24.00 m.

A: The particle starts at x = 4 m. The mass of the particle is m = 4 kg. The initial velocity of the…

Q: A 2 kg ball is thrown off a 73 m high cliff with a speed of 4 m/s.  How fast (in m/s) is the ball…

A: Given: initial speed of the ball, u = 4 m/s height of cliff, h = 73 m mass of ball, m = 2 kg

Q: If an object is moving 4 times slower, how much less kinetic energy does the object have?

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Q: A roller coaster is moving at 22 m/s at the top of the first hill (h= 51 m). Ignoring friction and…

A:

Q: A slingshot fires a pebble from the top of a building at a speed of 14.0 m/s. The building is 27.0 m…

A: (a) When fired horizontally:- vx=14 m/svy=2gh=2×9.8×27=23 m/s Hence, v=vx2+vy2v=142+232v=26.93 m/s…

Q: A monkey escapes from a zoo and climbs a tree to a height h = 4.00 m. Since she is unable to attract…

A: Given data: The speed of the dart bullets is Vd=20 m/s The distance d is 10 m The time taken by…

Q: 5. A 1 kg mass has a kinetic energy of 1L when its speed is a. 0.45 m/s b. 1.4 m/s c. 1 m/s d. 4.4…

A: Kinetic energy is given by K.E = MV2/2 Here, K.E =kinetic energy M = mass of the body v = speed of…