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Kinematics
Kinematics is the study of how a body moves. This includes linear motion, angular motion, and rotational motion.
3,459 Questions
You can find the speed of the block using the equation of motion: v^2 = u^2 + 2as, where v is the final velocity, u is the initial velocity, a is the acceleration, and s is the displacement. Given that u = 0.5 m/s, x = 3 cm = 0.03 m (displacement), and a is constant, you can calculate the final velocity v when the block reaches x = 3 cm.
Where would the rock climbers at the top have to be to have half as much potential energy?
The rock climbers would have to be halfway up the climbing route to have half as much potential energy. This is because potential energy is directly proportional to the height, so being halfway up would result in half the potential energy compared to being at the top.
Why is average kinetic energy used when discussing the kinetic energy of a collection of particles?
Average kinetic energy is used when discussing the kinetic energy of a collection of particles because it represents the energy per particle in the system. It provides a way to compare the overall kinetic energy of systems with different numbers of particles. Calculating the average kinetic energy allows for a simpler analysis of the system's overall behavior.
The kinetic energy comes from potential energy, which he got from ATP energy, which is produced through food. Potential energy is converted to kinetic energy after the muscles contract and relax.
Sources:
School science
How do you find displacement when you only have acceleration initial velocity and final velocity?
You can use the equation: Displacement = (final velocity squared - initial velocity squared) / (2 * acceleration). Plug in the values of final velocity, initial velocity, and acceleration to calculate the displacement.
Does a body in circular motion have kinetic energy?
Yes, a body in circular motion does have kinetic energy. This kinetic energy is known as rotational kinetic energy and depends on factors such as the mass of the object, its radius of rotation, and its angular velocity.
How do you calculate kinetic energy with mass and velocity?
Kinetic energy = 1/2 (mass) (speed)2
2 x kinetic energy/mass = (speed)2
Speed = square root of ( 2 x kinetic energy/mass )
mph stands for miles per hour. So to convert to kph (kilometers per hour), one has to recall that 1 mile is approximately 1.600 km, and then 75 mph = 75x1.600 = 120.0 kph.
At the moment of release, all the energy stored in the bow (100J) is converted to the kinetic energy of the arrow. So, the kinetic energy of the arrow at that moment is 100J.
If you look on most speedometers (not all I'm sure) there is a second number above or below the main numbers on the speedo dial. The second set of numbers is the KPH. At about 62 MPH (if I remember right) is 100 KPH. So to answer your question I figure that 110 KPH is approximately 68 MPH, give or take.
How do you convert angular rotation into force?
You create a purely 'rotatory force' or torque when you have two forces of equal magnitude but opposite direction pushing or pulling on an object. The greater the forces the greater the torque, and the greater the perpendicular distances between the two forces the greater the torque.
Note that because the forces are equal and opposite, the object will not accelerate in any direction. But because there is a perpendicular distance between the forces the object will start to rotate.
Does a propelled object continue increasing in speed infinitely in a vacuum?
For a start, it is not possible to propel it indefinitely. Where should the energy come from?
On the other hand, there is a speed limit in the Universe, called the "speed of light". An object can approach the speed of light, but never quite reach it, much lass pass that speed.
Is the sum of all the energy of the molecules of an object is called the temperature of that object?
its called internal energy..
temperature (defined as the degree of measure of heat, which is a form of energy) just helps you to compare the energies of two or more systems...
How do you find the final velocity without the initial velocity?
You use the information that you do have, along with the formulas, equations, and
definitions you've learned that express the relationship among quantities such as
position, speed, velocity, acceleration, and time, to find the unknown quantity.
What does a 11.5 second 100 meter dash time project for a 40 yard time?
The projected time would be 4.206 seconds for the 40-yard.
Is running an kinetic or potential energy?
The potential energy of the mass of the sky diver is transformed into kinetic energy during the free fall. The kinetic energy of the free fall is transformed into kinetic energy and heat of the air when the parachute is deployed.
What is the difference between forward kinemaics and reverse kinematics in robotics?
Forward kinematics calculates the end-effector position of a robot based on the joint angles. Reverse kinematics, on the other hand, determines the joint angles required to position the end-effector at a desired location. Essentially, forward kinematics looks at the robot from joint angles to end-effector position, while reverse kinematics works from end-effector position back to joint angles.
One knot is equal to one nautical mile per hour. Therefore, 26 knots is equal to 26 nautical miles.
How could kinetic energy damage?
Think of an 8KG sledgehammer. Its head is moving at a high velocity, and it hits you in the head.
If you follow this example to its logical conclusion (in theory only, you may struggle to follow anything if you try this as an experiment), You will see some of the ways kinetic energy can cause damage to many things.
What is the formula for traveling feet per second?
To calculate traveling feet per second, you would typically divide the distance traveled in feet by the time taken in seconds. The formula is:
Feet per Second = Distance (in feet) / Time (in seconds)
