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(10 points) Which of the following statements is correct for an object released from rest, freefalling...
An object falls from a position of rest and reaches an instantaneous speed of 3 m/s....
An object falls from a position of rest and reaches an instantaneous speed of 3 m/s. How far will it have dropped? The acceleration of gravity is 9.8 m/s^2. Answer in units of m.
Question 10 (3 points) An object starts from rest at time t -0.00 s and moves...
Question 10 (3 points) An object starts from rest at time t -0.00 s and moves in the + x direction with constant acceleration. The object travels 14.0 m from time t = 1.00 s to time t - 2.00 s. What is the acceleration of the object? 9.33 m/s2 13.1 m/s2 7.47 m/s2 11.2 m/s2 5.60 m/s2
An object moves along the x axis according to the equation x 3.102 2.00t 3.00, where...
An object moves along the x axis according to the equation x 3.102 2.00t 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t 2.40 s and t-4.20 s. The average speed is the distance traveled divided by the time. Is the distance traveled equal to the displacement in this case? m/s (b) Determine the instantaneous speed at t-2.40 s m/s Determine the instantaneous speed at t-4.20 s m/s (c) Determine the...
An object moves along the x axis according to the equation x = 3.30p-2.00 t +...
An object moves along the x axis according to the equation x = 3.30p-2.00 t + 3.00, where x is in meters and t is in seconds. a) Detecmine the average speed betweent3.30 s m/s and t 4.80s (b) Determine the instantaneous speed at t-3.30 s m/s Determine the instantaneous speed at t4.80 s m/s (c) Determine the average acceleration between t "3.30 s and t "4.80 s. m/s (d) Determine the instantaneous acceleration at t-3.30 s. Determine the instantaneous...
An object of mass 700 kg is released from rest 1000 m above the ground and...
An object of mass 700 kg is released from rest 1000 m above the ground and allowed to fall under the influence of gravity. Assuming the force due to air resistance is proportional to the velocity of the object with proportionality constant b=50 N-sec/m, determine the equation of motion of the object. When will the object strike the ground? (Hint: Here the exponential term is too large to ignore. Use Newton's method to approximate the time t when the object...
An object moves along the x axis according to the equation x 2 .75p-2.00t + 3.00,...
An object moves along the x axis according to the equation x 2 .75p-2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t 2.50 s and t 4.10 s. m/s (b) Determine the instantaneous speed at t 2.50 s. m/s Determine the instantaneous speed at t- 4.10 s m/s (c) Determine the average acceleration between t 2.50 s and t-4.10s m/s? (d) Determine the instantaneous acceleration at t 2.50 s...
An object moves along the x axis according to the equation x = 3, 15t2-2.00t +...
An object moves along the x axis according to the equation x = 3, 15t2-2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t-2.40 s and t 4.40 s m/s (b) Determine the instantaneous speed at t2.40 s m/s Determine the instantaneous speed at t4.40 s m/s (c) Determine the average acceleration between t-2.40 s and t- 4.40 s. m/s2 (d) Determine the instantaneous acceleration at t2.40 s m/s2 Determine...
An object moves along the x axis according to the equation x = 4.00t2 − 2.00t...
An object moves along the x axis according to the equation x = 4.00t2 − 2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t = 3.20 s and t = 4.70 s. ____m/s (b) Determine the instantaneous speed at t = 3.20 s. ____ m/s Determine the instantaneous speed at t = 4.70 s. ____ m/s (c) Determine the average acceleration between t = 3.20 s and t =...
An object moves along the x axis according to the equation x = 3.40t^2 - 2.00t...
An object moves along the x axis according to the equation x = 3.40t^2 - 2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t = 2.60 s and t = 4.00 s. m/s (b) Determine the instantaneous speed at t = 2.60 s. m/s Determine the instantaneous speed at t = 4.00 s. m/s (c) Determine the average acceleration between t = 2.60 s and t = 4.00 s....
Please answer all of the questions and circle your answers 4. An object is released from...
Please answer all of the questions and circle your answers
4. An object is released from rest from the top of a tall building. Use g 9.8 m/sec?. Ignore air resistance. a) What is the speed of the object 1 second after it is released? 3 seconds after it is released? b) The building is 100 m tall. How many seconds will it take for the object to reach the ground? c) What is the speed of the object just...
An object falls from a position of rest and reaches an instantaneous speed of 3 m/s. How far will it have dropped? The acceleration of gravity is 9.8 m/s^2. Answer in units of m.
Question 10 (3 points) An object starts from rest at time t -0.00 s and moves in the + x direction with constant acceleration. The object travels 14.0 m from time t = 1.00 s to time t - 2.00 s. What is the acceleration of the object? 9.33 m/s2 13.1 m/s2 7.47 m/s2 11.2 m/s2 5.60 m/s2
An object moves along the x axis according to the equation x 3.102 2.00t 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t 2.40 s and t-4.20 s. The average speed is the distance traveled divided by the time. Is the distance traveled equal to the displacement in this case? m/s (b) Determine the instantaneous speed at t-2.40 s m/s Determine the instantaneous speed at t-4.20 s m/s (c) Determine the...
An object moves along the x axis according to the equation x = 3.30p-2.00 t + 3.00, where x is in meters and t is in seconds. a) Detecmine the average speed betweent3.30 s m/s and t 4.80s (b) Determine the instantaneous speed at t-3.30 s m/s Determine the instantaneous speed at t4.80 s m/s (c) Determine the average acceleration between t "3.30 s and t "4.80 s. m/s (d) Determine the instantaneous acceleration at t-3.30 s. Determine the instantaneous...
An object of mass 700 kg is released from rest 1000 m above the ground and allowed to fall under the influence of gravity. Assuming the force due to air resistance is proportional to the velocity of the object with proportionality constant b=50 N-sec/m, determine the equation of motion of the object. When will the object strike the ground? (Hint: Here the exponential term is too large to ignore. Use Newton's method to approximate the time t when the object...
An object moves along the x axis according to the equation x 2 .75p-2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t 2.50 s and t 4.10 s. m/s (b) Determine the instantaneous speed at t 2.50 s. m/s Determine the instantaneous speed at t- 4.10 s m/s (c) Determine the average acceleration between t 2.50 s and t-4.10s m/s? (d) Determine the instantaneous acceleration at t 2.50 s...
An object moves along the x axis according to the equation x = 3, 15t2-2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t-2.40 s and t 4.40 s m/s (b) Determine the instantaneous speed at t2.40 s m/s Determine the instantaneous speed at t4.40 s m/s (c) Determine the average acceleration between t-2.40 s and t- 4.40 s. m/s2 (d) Determine the instantaneous acceleration at t2.40 s m/s2 Determine...
An object moves along the x axis according to the equation x = 3.40t^2 - 2.00t + 3.00, where x is in meters and t is in seconds. (a) Determine the average speed between t = 2.60 s and t = 4.00 s. m/s (b) Determine the instantaneous speed at t = 2.60 s. m/s Determine the instantaneous speed at t = 4.00 s. m/s (c) Determine the average acceleration between t = 2.60 s and t = 4.00 s....
Please answer all of the questions and circle your answers
4. An object is released from rest from the top of a tall building. Use g 9.8 m/sec?. Ignore air resistance. a) What is the speed of the object 1 second after it is released? 3 seconds after it is released? b) The building is 100 m tall. How many seconds will it take for the object to reach the ground? c) What is the speed of the object just...
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