50 points please help! A car going 110 km/hr southwest reaches a curve in the road. Assume that the curve is an arc of a circle. After rounding the curve, the car's velocity is 110 km/h west. The car takes 2.50 s to round the curve.
a. what's the car's acceleration?
b. what is the length of the car's path on the road?
c. If the car instead maintained a steady speed of 100 km/h how long would it take to round the curve?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?