Which of the following is a correct unit of energy? O kg m/s^2 O kg m^2/s O kg m^2/s^2 kg^2 m/s^2
Q: In a bicycle race, a rider such as Lance Armstrong (mass = 70 kg) uses energy at a rate of 6.0 W/kg…
A:
Q: An astronaut in a spacesuit on a spacewalk is a completely sealed system, with no matter lost or…
A: Given: Power = 250 W
Q: A baseball of mass 0.4 kg is thrown at a speed of 39.2 mi/h. What is its kinetic energy?
A: Given data: Mass (m) = 0.4 kg Speed (v) = 39.2 mi/h Required: Kinetic energy (KE)
Q: You are planning a deep space exploration and want to take your cat with you. If your spacecraft…
A: cat weighs 8.5 lbf= 37.8099 N velocity of the spacecraft, v=87100×c=0.87 c The rest mass,…
Q: If an object with a mass of 1.8 kg changes it speed from 4.07 m/s to 9.05 m/s, what is its change in…
A: Kinetics energy is given as K.E=12mv2…
Q: Answer both or none
A: In part 1, the surface is rough and there is increase in speed while going downNow in the second…
Q: At a construction site, there is a pile of sand in the shape of a cone. The cone has a height of 5 m…
A: Height of the cone Base radius of the cone Density of the sand Gravitational Acceleration
Q: An object with a mass of 2.29 kg is initially moving at a rate of 4.88 m/s. A net work of 34.8 J is…
A: The work done by the sum of all forces acting on a particle equals the change in the kinetic energy…
Q: The mass of a bald eagle is 6.3 kg. If the eagle is flying at a speed of 33.5 meters/seconds, what…
A: The relation of the kinetic energy is given in terms of mass and velocity Ek=12mv2
Q: How fast must a 2.5-g ping-pong ball move in order to have the same kinetic energy as a 145 g…
A: Given Mass of ping pong m1=2.5g Mass of base ball m2=145g Speed of baseball v2=37m/s Let speed…
Q: O. 14 : Work done in blowing a soap bubble of diameter 2 cm, is (S.T. = 3 x 10-² N/m) (a) 7.54 x 10…
A: To find-Work done (W)=?Given-Diameter of soap bubble D=2 cmRadius =D2=22=1 cmRadius(r)=1×10-2…
Q: 2. Ryan having mass 60 kg possesses a kinetic energy of 1.3 kJ. What is his speed?
A: Disclaimer - You have asked multiple questions, so as per our guidelines we will answer the first…
Q: Data Table n 2 3 4 5 6 7 8 μ= 0.00031 M (g) fexp= 260 2 240 S 5 9 50 9 35 kg/m L= 105 65 2m = 58.4…
A:
Q: What is the scalar product of vector A = 21 + 53- k and vector B = 3 - 2j + 4k is ? O 41 O 28 O-8
A:
Q: An airplane has a mass of 190839 kg and carries 395 passengers having an average mass of 63 kg each.…
A: Given:The mass of the airplane: M = 190839 kg;The number of passengers: n = 395;The average mass of…
Q: A 2.4 g particle has momentum 500,000 kg - m/s. What is the particle's speed in m/s? Express your…
A: Mass of particle Momentum The relativistic momentum of a particle with mass m traveling at a…
Q: A 12kg object originally at rest suddenly explodes into three masses: 2kg, 4kg and 6kg.the 2kg piece…
A:
Q: Tinkerbell has a velocity of 5 m/s [S] and a kinetic energy of 22.5 J, what is her mass? O 2.25 kg…
A:
Q: Lo= 0.09 m , g = 10 m/s? x = L – Lo (m) Fg (N) 0.2 m (kg) L (m) 0.02 0.108 0.018 0.04 0.126 0.036…
A: The graph is as shown below:
Q: A bird (m=250g) is flying through the sky at 10m/s, if the birds total energy is 1000J, what is his…
A: Given data: Mass (m) = 250 g = 0.250 kg Velocity (v) = 10 m/s Total Energy (TE) = 1000 J Required:…
Q: A baseball weighs 1.3 N and has a speed of 26 m/s just before the catcher catches it. What is the…
A:
Q: A ball with a momentum of 4.0 kg•m/s hits a wall and bounces straight back without losing any…
A: we know the formula for momentum is given by p = m.v where p = momentum m= mass v = velocity .…
Q: How fast (in meters per second) must an iron ball with a mass of 51.2 g be traveling in order to…
A: Given: The mass of the object is 51.2 g. The kinetic energy of the object is 16.15 J.
Q: If an object with a mass of 2 kg changes it speed from 3.12 m/s to 7.96 m/s, what is its change in…
A: Given data: Mass of the object: Initial speed: Final speed: Concept: The change in kinetic energy…
Q: A 7.03 kg bowling ball moves at 2.85 m/s. How fast must a 2.26 g Ping-Pong ball move so that the two…
A:
Q: One model for the potential energy of a two-atom molecule, where the atoms are separated by a…
A:
Q: Assuming the outfielder throws a 0.150-kilogram baseball at 44.0 meters per second, the ball's…
A: Given Data : mass(m)=0.150 kg speed(v)=44 m/s Beginning angle=300
Q: A baseball of mass 0.26 kg is thrown at a speed of 41.5 mi/h. What is its kinetic energy?
A: mass of baseball (m) = 0.26 kg speed (v) = 41.5 mihr
Q: The energy required to increase the speed of a certain car from 18 m/s to 23 m/s is 185 kJ. What is…
A:
Q: 7 kg school kid is hurrying to catch the school bus. He runs at 3.1 m/s. How many es of kinetic…
A: Given:- The mass of the kid m = 47kg The speed of the kid v = 3.1 m/s Find :- The kinetic energy…
Q: A hockey puck with a mass of 0.159 kg slides over the ice. The puck initially slides with a speed of…
A: mass of hockey puck (m) = 0.159 kg initial velocity (u) = 6.15 msfinal velocity (v) = 3.15 ms
Q: A typical baseball has a mass of 0.145 kg. Some pitchers can throw a baseball with a speed of about…
A:
Q: An atomic bomb moving at 100.0 m/s explodes releasing 2.70*10^17J of energy. How massive was the…
A: Given that, the velocity of the bomb is v=100m/s And the energy released after the explosion is…
Q: A 15-gram [g] rubber ball is released from a height of 8 meters [m] above a flat surface on the…
A: Given data: Mass (m) = 15 g = 0.015 kg Height (h) = 8 m, above the flat surface Acceleration due…
Q: An object with mass 99 kg is moving at the velocity of −3.6 m/s. What is its kinetic energy in the…
A:
Q: An object with a mass of m = 3.00 kg is traveling with an initial velocity of vi = (5.40î − 1.60ĵ)…
A:
Q: The kinetic energy of a moving object is KE = 1/2 mv2, where m is the mass and v is the speed. An…
A: Given data: Mass (m) = 0.22 kg Kinetic energy (KE) = 0.59 million joules Required: The speed of…
Q: The summit of a mountain is 5540 m above sea level. (a) How much energy would a 87 kg climber expend…
A:
Q: For a coin that is dropped at the top of the building, compare the potential energy at the bottom…
A:
Q: A75 gram bullet is shot out of a gun with a speed of 250 m/s. Find the kinetic energy of the bullet…
A: The kinetic energy of the bullet can be given by KE=12mv2
Q: An object is traveling at a final speed of 12 m/s. What was the initial speed of the object,…
A:
Q: Two different masses are sitting on a frictionless track with a compressed spring between them which…
A:
Q: Judy has started fast walking for half an hour each day in an effort to lose weight. Judy currently…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps