A football player is at the 50-yard line when the timer is started. He is at the 40-yard line after 1 second, the 30-yard line after 2 seconds, the 20-yard line after 3 seconds and the 10-yard line after 4 seconds. His acceleration is ____.
a) negative
b) zero
c) a constant non-zero value
d) changing
Since, distance is decreasing constantly (40, 30, 20,.... ) while time is increasing in every slot.
So, acceleration will be Negative
Comment in case any doubt please rate my answer ....
A football player is at the 50-yard line when the timer is started. He is at...
A FOOTBALL PLAYER RUNS ACROSS THE 30 YARD LINE AT AN ANGLE. HE CONTINUES IN A STRAIGHT LINE AND CROSSES THE GOAL LINE AT THE SAME ANGLES. DESCRIBE TWO PARALLEL LINES AND A TRANSVERSAL IN THE DIAGRM
Sam receives the kicked football on the 3 yard line and runs
straight ahead towards the goal line before cutting to the right at
the 15 yard line he then runs 9 yards along the 15 yard line
directly toward the right side line before being tackled
A. What is sam’a distance traveled
B. What was Sam’s resultant displacement?
C. How many yards did Sam gain in this play (how far was the
ball advanced toward the goal line?)
The...
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 1.20 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.48 m/s^2, determine each of the following. (a) How long does it take him to catch his opponent? (Assume the player with the puck remains in motion at constant speed.) Express the...
A baseball player at second base throws a ball 87 feet to the player at first base. The ball is thrown 5 feet above the ground with an initial velocity of 50 miles per hour and at an angle of 16 above the horizontal. At which height does the player at first base catch the bal1? Round your answer to three decimal places. 15. a. 7.576 feet b. 6.676 feet c. 5.476 feet d. 6.076 feet e5.576 feet quarterback of...
- Sign In When running a 100 meter race Isaac reaches his maximum speed when he is 40 meters from the starting line, and 5 seconds have elapsed since the start of the race. Isaac continues at this max speed for the rest of the race and is 80 meters from the starting line 10 seconds after the start of the race. a. What is Isaac's max speed? meters per second Preview b. Suppose Isaac runs for an additional 3...
PRINTER VERSION < BACK NEXT Chapter 02, Problem 88 A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 2.53 s. Then, during a negligible amount of time, he changes the magnitude of his acceleration to a value of 1.00 m/s. With this acceleration, he continues in the same direction for another 1.13 s, until he reaches a speed of 7.55 m/s. What is the value of his acceleration (assumed...
Weight Gain: College Football Player JJ is a 22-year-old male college Division I football quarterback competing for the team’s number one slot for starting quarterback this upcoming season. JJ is 6’ 2” in height and weighed 197 pounds (lbs) at the end of the football season. For spring ball JJ weight trains 5 days a week for 1 ½ hours each session and plays pick-up basketball most days of the week for about an hour. Reason for Nutrition Consult JJ...
5. (6 pts) Stan jumps out of an airplane with a parachute. After 34 seconds, he opens the parachute. The graph to the right shows Stan's vertical velocity versus time, in a coordinate system where down is positive. Velocity versus Time for a 70 kg Parachuter Stan opens parachute Jumps at t 0 Opens parachute at t 34s a 20 4--Stanjumps from airplane ! 0 10 20 30 40 50 60 time (s) The magnitude of Stan's initial acceleration is...
Your company produces Splagnards, a popular line of hats for Chinchillas. When you started the company and were its only employee, you could produce 30 Splagnards daily. After you hired the second through sixth employees, your total daily output became 35, 45, 60, 70, and 75 Splagnards, respectively. Given this production pattern, you would conclude that diminishing returns Select one: a. begins with the fifth employee. b. have not occurred with this set of employees. c. set in with the...
A small marble is rolling down on an incline. The marble was
released from rest when the timer was started. The distance
travelled by the marble as the function of time is shown in the
figure.
What is the acceleration of the marble? Please, note that the
curve passes through at least one grid intersection
point.
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