If an object is shot upward with an initial velocity, vo, in feet per second (ft/s), the velocity, v, in ft/s is given by the formula v = vo - 321, where t is time in seconds. Find the initial velocity of an object if the velocity after 4 seconds is 20 ft/s.

Q: (a) Fit a simple linear regression model to the data using least squares method. (b) Find the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A car moving 20m/s, increases its speed to 60m/s. The increase in speed happens over 10 seconds.…

A: We find acceleration

Q: If Ahmet travels half of the road at 90 km/h in 1 hour and the remaining half at 60 km/h, his…

A:

Q: Find the wind chill for an air temperature of 10 degrees celsius and a wind speed of 8m/sec W=

A: The wind chill factor on a certain planet is given by,…

Q: A snail moves at the speed of 2.39 inches per minute.if the snail keeps moving at this rate,how many…

A:

Q: As the average speed increases, what happens to the number of hours that it takes to bike the 20…

A: Average Speed = total distance travelled / total time taken

Q: The velocity of an object is v(t) = 40-t²,0 ≤t≤ 6, where v is measured in meters per second and it…

A: The objective is to find v(t) and a(t).

Q: A hot air balloon rose from a height of 100 m to 400 m in 3 minutes. What was the balloon’s rate of…

A: Solution:

Q: An IV bag contains 1,000 mL dextrose in saline solution with a drop factor of 15 gtt/mL and has been…

A: Given: Total volume = 1,000 mL Drop factor = 15 gtt/ml Time = 4 hours To determine: Rate of flow in…

Q: A plane travels 800 miles from Dallas, Texas, to Atlanta, Georgia, with a prevailing wind of 40 mph.…

A: