Answer:
v = 87.5 km/h
Explanation:
To find the speed of the car you use the following formula:
(1)
x: distance traveled by the car = 350km
t: time = 4h
you replace the values of x and t in the equation (1):

hence, the speed of the car is 87.5km/h
Answer:
nothing
Explanation:If you ride a bike around the block and return to the exact point where you started, your displacement is zero.
By definition, displacement involves changing an object from its original position. No matter how far or for how long a body moves, if it returns to the position it started from, it has not been displaced at all. This means that the body has zero displacements.
Answer:
I think its c
Explanation:
I hope this helps u and u get it right :D
I believe the answer would be polygenic. The word translates to "multiple genes". This occurs when many genes make up one specific thing such as our hair color or eye color.
To raise 1 kg by 1C, it will take 129 joules.
To raise 0.015 kg by (85-22)C, it will take (129*0.015)*22 = 42.57 joules.