0
KE= 0.5mv2
so we have KE=50
m=50
v=1.414m/s
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoKinetic energy = 0.5 * mass * velocity^2
So the velocity of an object with a known mass = sqrt(kinetic energy /0.5mass)
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What is the kinetic energy of a baseball moving at a speed of 40ms if the baseball has a mass of 0.15 kg?
Kinetic energy is... EK = 0.5 M V2 ...where EK is energy in joules, M is mass in kg and V is velocity in m s-1. Plugging in the knowns, we get 108 = (0.5) (0.146) V2 Solving for V, we get V = 38.5 m s-1
What is the connection between kinetic energy and potential energy?
When potential energy and kinetic energy are combined it is called mechanical energy. Mechanical energy is the energy that is possessed by an object due to its motion or due to its position. Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position).
When a book falls to the floor what happens to the potential energy?
When you drop a book the original potential energy is converted into the kinetic energy, When the book hits bottom the kinetic energy is absorbed by the surface underneath and some is converted to sound energy. This maintains the law of conservation of energy. the total amount of energy in this universe is constant and remains constant. Energy can neither be created nor destroyed it can just change its form from one form to another.
How can kinetic energy turn into potential energy?
The conversion of kinetic energy into potential energy (and vice versa) is a fundamental concept in physics and is often associated with the principles of mechanical energy conservation. The relationship between kinetic and potential energy is governed by the law of conservation of energy. Gravitational Potential Energy: Gravitational Potential Energy:ENTER FOR $1000 🤑 CASH FOR SUMMER 🌞MER 🌞 One common example involves the conversion of kinetic energy to gravitational potential energy and vice versa. Consider an object in free fall near the Earth's surface. As the object falls, it loses kinetic energy and gains gravitational potential energy. Conversely, if the object is lifted against gravity, it gains potential energy and loses kinetic energy. Spring Potential Energy: Another example involves the conversion of kinetic energy to elastic potential energy and vice versa. When a spring is compressed or stretched, it stores potential energy in the form of elastic potential energy. As the spring is released, this potential energy is converted into kinetic energy. The mathematical expressions for these relationships are as follows: Gravitational Potential Energy (U) and Kinetic Energy (K): For an object of mass (m) at height (h) above the ground: � = � � ℎ U=mgh � = 1 2 � � 2 K= 2 1 mv 2 where � g is the acceleration due to gravity, and � v is the velocity of the object. The total mechanical energy (E) is the sum of kinetic and potential energy and remains constant in the absence of external forces (ignoring air resistance and other non-conservative forces): � = � � E=U+K Elastic Potential Energy (PE) and Kinetic Energy (K): For an object attached to a spring with a spring constant (k) and displacement (x) from equilibrium: � � = 1 2 � � 2 PE= 2 1 kx 2 � = 1 2 � � 2 K= 2 1 mv 2 Again, the total mechanical energy is conserved in the absence of non-conservative forces. In summary, the conversion between kinetic and potential energy depends on the specific forces at play (gravity, spring forces, etc.) and is governed by the law of conservation of energy. The total mechanical energy of a system remains constant in the absence of non-conservative forces.
What is energy conversion and photosynthesis?
Photosynthesis: Photosynthesis is a process that converts carbon dioxide into sucrose, using the energy from sunlight. Energy conversion: Energy conversion is the process of transforming energy from one form into another. for example Potential energy to Kinetic energy, etc..
You can calculate kinetic energy by using the equation what?
KE=1/2*m*v2whereKE is kinetic energym is the massand V is the velocity
What is kinetic energy measured with?
Kinetic energy is calculated using mass and velocity. KE=1/2mv2
What is the equation used to compute the velocity of a falling object using energy?
Calculate the initial potential energy (PE = mgh). Assume that all of this gets converted to kinetic energy, and solve for velocity (KE = 0.5 mv2).
Mass is 145g and velocity is 25ms Find the answer using kinetic energy formula?
Kinetic energy is 0.45 joules using the formula Ek = ½ x mv2
What is the energey of motion?
kinetic energy. found using 1/2*mass*(velocity^2)
What do you call the energy of moving objects?
Kinetic Energy; usually calculated using the formula: Ek = 0.5 mv2 Where Ek is the kinetic energy, m is the mass and v is the velocity (speed).
What formula do you use to caculate kinetic energy?
Ek = 0.5mv2Kinetic energy equals half times mass times the square of the velocity. Using SI units, mass in kilograms and velocity in metres per second, the energy will be in Joules.
How do you find change in velocity?
when using energy use the kinetic energy equation for change KE = .5(M)(Vf^2 - Vo^2) M = mass Vf = fianal velocity Vo = initial velocity
Without using time as a variable in the equation how can you calculate the velocity of a ball when it hits the floor?
You can use energy if you have the height from where the ball is released. (This is assuming the ball is falling straight down). Potential Energy (PE)=Kinetic Energy (KE) because energy is conserved. mgh=1/2mv2
How do you show mathematically why a small increase in your vehicle's speed results in a tremendous increase in your vehicles kinetic energy?
The kinetic energy of a vehicle, of mass m kilograms and travelling at velocity v metres per second, is 1/2*m*v2.Using calculus, d(ke)/dv = m*v.That is, the kinetic energy (ke) increases by the product of the mass and the velocity. Whether or not that can be considered "tremendous" is another matter.The kinetic energy of a vehicle, of mass m kilograms and travelling at velocity v metres per second, is 1/2*m*v2.Using calculus, d(ke)/dv = m*v.That is, the kinetic energy (ke) increases by the product of the mass and the velocity. Whether or not that can be considered "tremendous" is another matter.The kinetic energy of a vehicle, of mass m kilograms and travelling at velocity v metres per second, is 1/2*m*v2.Using calculus, d(ke)/dv = m*v.That is, the kinetic energy (ke) increases by the product of the mass and the velocity. Whether or not that can be considered "tremendous" is another matter.The kinetic energy of a vehicle, of mass m kilograms and travelling at velocity v metres per second, is 1/2*m*v2.Using calculus, d(ke)/dv = m*v.That is, the kinetic energy (ke) increases by the product of the mass and the velocity. Whether or not that can be considered "tremendous" is another matter.
How is kinetic energy used in swimming?
Every little inch is thought of in swimming the goggles the head band for the swimmer to move smoothly and velocity is a big step in swimming such as races military evading pursuing it's up to the person to make sure he or she is exactly perfect and good to go that way they just focus on getting to their destination and by using velocity.
Is swimming a kinetic energy?
yes,it is a kinetic energy,you are moving hence using energy
