How would you describe the relationship between the mass of a car and its kinetic energy?
a) as the mass of a car increases, its kinetic energy increases.
b) as the mass of a car increases, its kinetic energy decreases.
c) as the mass of a car decreases, its kinetic energy increases.
d) there is no clear relationship between mass and kinetic energy.

The answer is A) As the mass of a car increases, its kinetic energy increases.

Explanation:

Kinetic energy is the energy associated with bodies that are in motion, depends on the mass and speed of the body, that is, The kinetic energy of a body depends on its mass and its speed according to the relationship.

The kitenic energy is expressed by the formula:

Where the kinetic energy, (Ec) is measured in joules (J), the mass, (m) is measured in kilograms (kg) and the velocity, (v) in meters / second (m / s).

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: