What is the acceleration of the object at t = 2.5 s? (Indicate the direction with the sign of your answer.)

Q: A bicycle's velocity in the x direction, as a function of time is given by: vx(t) = alpha beta(t2).…

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Q: The path of an angry bird being shot at a pig can be modeled by the equation h(t) = -4.9t2 + 14t +…

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Q: So what is the answer?  After how many seconds does the parachutist will reach the ground? What is…

A: Given:m = 65 kg,g = 9.81 m/sec²,b₁ = 30 N-sec/mTake the equation,dv/dt = (mg - b₁v) / m------(1).In…

Q: 1. An object is thrown horizontally from the top of a building 4 m above the ground. It hits the…

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Q: A jogger jogs around a circular track with a diameter of 225 m in 10. minutes. What was the jogger's…

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Q: d. (Type only the letter of the correct answer) What is the magnitude and direction (CCW with…

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Q: A girl on a bicycle takes 15.4 s to ride half way around a circular track of radius 19.0 m (see the…

A: a)The average speed is,

Q: Spring Gun: A spring gun can launch a projectile with a speed of 12.21 m/s 1.8m high, and the…

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Q: A car drives horizontally off the edge of a cliff that is 68.1 m high. The police at the scene of…

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Q: Weddell seals foraging in open water dive toward the ocean bottom by swimming forward in a…

A: a) The required angle is, b) The required distance traveled is,

Q: A runner is going 8 m/s around a curved section of track that has a radius of 54 m. What is the…

A: Given: speed of runner v = 8 m/s radius of track r = 54 m

Q: A girl on a bicycle takes 12.2 s to ride half way around a circular track of radius 20.0 m (see the…

A: (a) Write the expression for average speed

Q: A pilot of mass 70 kg pulls out of a dive following a circular path of 900 m from the middle of the…

A: Given data The mass is m=70 kg The radius of rotation is R=900 m The velocity is, v=250 m/s   The…

Q: The Elco Voltmeter company has a robot part delivery system that moves at a speed of 3 ft/s. The…

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Q: A girl on a bicycle takes 13.6 s to ride half way around a circular track of radius 12.5 m (see the…

A: (a) Girl’s average speed is,

Q: An object with a mass of 2,000 kg moves with a constant speed of 20 m/s on a circular track with a…

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Q: For the following data. Time (s) Distance (m) 1 22 2 43 3 64 4 87 5 101 6 129   Plot…

A: Velocity is defined as the amount of distance an object travels in a given amount of time. The…

Q: Two point charges, Q1 = -36 µC and Q2 = 48 µC, are separated by a distance of 12 cm. The electric…

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Q: In the Soapbox Derby in (Figure 1), young participants build non-motorized cars with very…

A: length of track (d) = 63 ft θ = 15o

Q: Find the magnitude of the instantaneous acceleration (in m/s²) of an object that moves at a constant…

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Q: A car is traveling with a constant speed along a road that has a form of a square. The car starts at…

A: A car is traveling with a constant speed along a road that has a form of a square. The car starts at…

Q: using v=gt how many seconds does it take a freely falling object to gain 58 m/s in velocity

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Q: My cat, Pretty Kitty, decides to jump off her cat tower, which is 4.27 ft tall. How long will it…

A: Given, a cat named Pretty Kitty decides to jump off from a cat tower, which is y=4.27 ft tall. The…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –