A body moves along a straight line according to the law s = 0.513 – 21, the units being in feet and seconds. Determine its velocity and acceleration at the end of 2 sec.

Q: Assume the acceleration of the object is a(t) = -32 feet per second per second. (Neglect air…

A: Given acceleration a = -32

Q: After a ball bounces off from the top of a hill, its velocity at t seconds is vt)-45-30t feet per…

A:

Q: c. A ball is shot from the ground straight up into the air with initial velocity of 49 ft/sec.…

A:

Q: velocity

A: We have : h=12t2+12t We have to find the velocity of the balloon at the end of the 39 sec.

Q: The State of Illinois Cycle Rider Safety Program requires motorcycle riders to be able to brake from…

A:

Q: Can the distance traveled by a particle ever be less than its displacement? When are they equal?

A: No, the magnitude of the displacement is always less than or equal to the distance traveled.

Q: Assume the accleration of the object is a(t) = −32 feet per second per second. (Neglect air…

A:

Q: A ball is thrown vertically upwards with a velocity of 48 ft/s from the top of a building 35 ft…

A: Given that,

Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -155 feet per…

A: We will find out the required value.

Q: Find the rate at which the water level is rising when the water level is 2 cm.

A:

Q: A kite 100 feet above the ground moves horizontally at a speed of 10ft/s. At what rate is the angle…

A: Let the horizontal distance be x. From the given data of question: And the diagram is:

Q: Two cars start moving from the same point. One travels south at 24 mi/h and the other travels west…

A:

Q: Fireworks are fired up from a platform 3 ft. above the ground with an initial velocity of 125 ft/s.…

A: Given that: Fireworks are fired up from a platform 3 ft. above the ground with an initial velocity…

Q: Assume gravity is 32 ft/s? and no external forces (ex: wind resistance). If you Jump off a 34 ft…

A:

Q: The horizontal and vertical components of the velocity of an arrow shot into the air are 16.1 feet…

A: To Determine: The horizontal and vertical components of the velocity of an arrow shot into the air…

Q: The horizontal and vertical components of the velocity of an arrow shot into the air are 16.1 feet…

A: Given data: The horizontal and vertical components are vx and vy respectively.

Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -120 feet per…

A:

Q: Find the distance traveled after 6 seconds by a particle whose velocity is v(t) = (t − 2) meters at…

A: Given

Q: A rock is tossed at an initial velocity of 60 m/s at an angle of 10° with the ground. After 0.9…

A: The solution of above question is written below.

Q: Assuming there is no sag in the string, find the rate at which the kite is moving when 125

A: Considering a right triangle with the data given, the hypotenuse 'c' is 125 feet, base 'b' and the…

Q: A projectile fired downward from a height of 112 ft reaches the ground 2 seconds. What is the…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: A coin of mass 0.05kg is dropped from the top of the Eiffel tower, which is 300m tall. It…

A:

Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -175 feet per…

A: see below the answer and calculation

Q: Assume the accleration of the object is a(t) = −32 feet per second per second. (Neglect air…

A:

Q: A passenger is traveling on a luxury train that is moving west at 80 mph (miles per hour). While…

A: A passenger is travelling on a luxury train that is moving west at 80mph . While running the…

Q: A cannonball is fired directly upward from a height of 0 feet, with an initial velocity of 220 feet…

A:

Q: A toy rocket is launched at an initial velocity of 50 ft/s at an angl of 75° with the horizontal.…

A: Here, given that the initial velocity 50 ft/s and the angle is 75°

Q: An object thrown downward from a 500-m cliff travels 57.2 m in 3 sec. What was the initial velocity…

A: We have to find the initial velocity of the object.

Q: What constant acceleration is required to increase the speed of a car from 20 mi/h to 53 mi/h in 3…

A:

Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -110 feet per…

A:

Q: a) When does the top of the ladder reach the ground? b) Determine the velocity of the end of the…

A:

Q: A cannon is fired at an angle of 75° with the ground at an initial velocity of 250 m/s. Calculate…

A: We know that if a cannon is fired at angle of θ with the ground at initial velocity is u meter per…

Q: The velocity of a moving object is V (t)=2t +/t in meters per second. What is its displacement, in…

A: We have to find displacement

Q: A car is moving at 60 mi/hr (88 ft/s) on a straight road when thedriver steps on the brake pedal and…

A: Given: u=88 feetsec, a=-10 fts2, t=3 seconds we know that s=ut+12at2…

Q: What constant acceleration is required to increase the speedof a car from 30 mih to 50 mih in 5 s?

A: Given: u=30 mihour, v=50 mihour, t=5 second for finding acceleration, first we convert given…

Q: An aircraft is climbing at a 300 angle to the horizontal. How fast is the aircraft gaining altitude…

A: An aircraft is climbing at a constant 30 degree angle to the horizontal and the speed is 500 mph…

Q: A baseball diamond is a square, 90 feet on the side. A runner runs from second base to the third…

A:

Q: ball is shot from the ground straight up into the air with initial velocity of 47 ft/sec. Assuming…

A:

Q: A ball is shot from the ground straight up into the all velocity of 48 ft/sec. Assuming that the air…

A: Given that  Initial velocity=48 ft/sec To find How high does the ball goes.

Q: 49. A plane flying with a constant speed of 300 km/h passes over a ground radar station at an…

A: Form the triangle and use cousin formula then take the derivative.

Q: The velocity of an object moving along a line is given by v1t2= 20 cos pt (in ft>s). What is the…

A: Consider the given velocity function as vt=20cospt

Q: A car drives with velocity v(t)=2.8+/t meters per second. How far does the car drive in 8 seconds?…

A: Given data: The velocity of car is vt=2.8+t. Time taken by car is t = 8 s.

Q: What is the velocity of flow in feet per seconds f

A:

Q: A ball is thrown vertically upward from the top of a tower 120 ft. with a velocity of 55 ft./sec.…

A: we will use the formula s=ut+12gt2v=u+gt where s is the height,           u is the initial velocity,…

Q: A ball is shot straight up into the air with initial velocity of 49 ft/sec. Assuming that the air…

A: See the details solution in below

Q: A raindrop falls with acceleration 9.8 m/sec² , where "v" is its velocity. What is the raindrop's…

A:

Q: at a velocity of 3 ft/

A: Given the spring constant is 9 lb/ ft.

Q: A cannon is fired at an angle of 75° with the ground at an initial velocity of 250 m/s. Calculate…

A: To find the speed

Q: A ball is thrown vertically upwards with a velocity of 48 ft/s from the top of a building 35 ft…

A: topic-equations