As a projectile thrown upward moves in its parabolic path, such as in the figure below, at what point along its path are the velocity and acceleration vectors for the projectile (i) perpendicular to each other? (ii) parallel to each other?

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A: Using the mirror formula and sign convention,we can calculate the magnification as follows

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Q: Initial Angular Momentum (J-s)

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Q: Calculate the speed at the edge of a disc of radius 7 cm that rotates at the rate of 5 rev/s. Answer…

A: radius of disc (r) = 7 cm= 0.07 m angular speed (ω) = 5 rev/s=5×2π rad/s= 31.4 rad/s

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Q: a) the current in each resistor shown in the figure abo

A: Using krichhoff law

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Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: Question 6 What is the pressure exerted on the bottom of a 1 metre deep swimming pool by the water…

A: Depth of water ( h) = 1 mDensity of water (ρ) = 1000 kg/m3acceleration due to gravity (g) = 9.8…

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A: this question is about to find resistance and magnetic field by using given information.

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