Motion in Two Realms

Froggy Jumps

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Projectile & circular motion basics

Créé par

Dominador Callo Jr

Philippines

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Motion in Two Realms


Froggy Jumps Motion in Two RealmsVersion en ligne Projectile & circular motion basics par Dominador Callo Jr 1 What force primarily keeps a projectile in its curved path near Earth? a Normal force b Gravity c Air resistance 2 In projectile motion, horizontal velocity remains constant if air resistance is neglected. True or false? a False b True c Sometimes true 3 At the highest point of a vertical projectile, the vertical velocity is what value? a Maximum b Zero c Negative 4 Which angle gives the maximum range for a projectile on level ground (neglect air resistance)? a 90 degrees b 0 degrees c 45 degrees 5 What is the horizontal range of a projectile? a Time of flight only b Vertical height reached c Horizontal distance traveled before landing 6 Centripetal acceleration points in which direction relative to circular motion? a Tangential direction b Away from center c Toward the center of the circle 7 Which quantity must increase to raise the circular motion speed of an object on a fixed circle with constant radius? a Gravitational potential energy b Tangent velocity c Net inward force (centripetal force) 8 For uniform circular motion, the speed is constant, but what about velocity? a Velocity changes direction b Velocity remains constant c Speed changes 9 Which equation relates centripetal acceleration to speed and radius? a a_c = gv/r b a_c = v^2 / r c a_c = r / v 10 Which of the following best describes projectile motion components? a Both are accelerated equally b Both are uniform c Horizontal motion is uniform; vertical motion is accelerated 11 What is the formula for the horizontal range R of a projectile on level ground with speed v and angle θ? a R = v sin(θ) / g b R = v^2 sin(2θ) / g c R = v^2 cos(2θ) / g 12 In uniform circular motion, what is the centripetal acceleration a_c? a a_c = g r / v b a_c = r / v^2 c a_c = v^2 / r 13 For maximum horizontal range (level ground), what launch angle θ gives the maximum R? a θ = 90° b θ = 0° c θ = 45° 14 What is the time of flight for a projectile launched from ground level with speed v at angle θ (ignoring air)? a T = v sinθ / (2g) b T = 2v sinθ / g c T = v cosθ / g 15 Which equation gives the vertical velocity component after time t? a v_y = v cosθ − g t b v_y = v sinθ − g t c v_y = v sinθ + g t 16 If a projectile is launched at 30° with speed v, its horizontal range is R = ? (level ground) a R = v^2 sin(30°) / g b R = v^2 cos(60°) / g c R = v^2 sin(60°) / g 17 For circular motion, what is the period T in terms of radius r and speed v? a T = 2πr / v b T = v / (2πr) c T = 2πv / r 18 Maximum height H for a projectile (ground level) is given by? a H = v^2 sinθ / g b H = (v^2 sin^2θ) / (2g) c H = (v^2 cos^2θ) / (2g) 19 In circular motion, centripetal force F_c is directed where and equals? a F_c = m v r / g toward the center b F_c = m g / r outward c F_c = m v^2 / r toward the center

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Motion in Two Realms

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Motion in Two RealmsVersion en ligne

par Dominador Callo Jr

What force primarily keeps a projectile in its curved path near Earth?

In projectile motion, horizontal velocity remains constant if air resistance is neglected. True or false?

At the highest point of a vertical projectile, the vertical velocity is what value?

Which angle gives the maximum range for a projectile on level ground (neglect air resistance)?

What is the horizontal range of a projectile?

Centripetal acceleration points in which direction relative to circular motion?

Which quantity must increase to raise the circular motion speed of an object on a fixed circle with constant radius?

For uniform circular motion, the speed is constant, but what about velocity?

Which equation relates centripetal acceleration to speed and radius?

Which of the following best describes projectile motion components?

What is the formula for the horizontal range R of a projectile on level ground with speed v and angle θ?

In uniform circular motion, what is the centripetal acceleration a_c?

For maximum horizontal range (level ground), what launch angle θ gives the maximum R?

What is the time of flight for a projectile launched from ground level with speed v at angle θ (ignoring air)?

Which equation gives the vertical velocity component after time t?

If a projectile is launched at 30° with speed v, its horizontal range is R = ? (level ground)

For circular motion, what is the period T in terms of radius r and speed v?

Maximum height H for a projectile (ground level) is given by?

In circular motion, centripetal force F_c is directed where and equals?