In an exciting game, a baseball player manages to safely slide into second base. The mass of the baseball player is 77.7 kg and the coefficient of kinetic friction between the ground and the player is 0.48. If it took the player 1.6 s to come to rest. A. Find the magnitude of the frictional forceB. If the player takes 1.4s to come to rest what was his initial velocity
C. What was his initial velocity (in m/s)?

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).