A placekicker kicks a football upward at an angle of 20° and a speed of 5.0 m/s. At what other angle will he have to kicka second ball with the same speed to reach the same distance downrange? Ignore air resistance. O 30° O 45° O 60° 70°

Q: With bumpers touching, a 3,773 kg truck is pushing a 1,103 kg car. The truck and the car move…

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Q: A baseball is dropped from the top of a 66 m tall building. Ignoring air resistance, how fast will…

A: Velocity of free fall motion V=√2gh  g = gravitational acceleration h =height

Q: A 1,322-kg car starts from rest at the top of a driveway 6.27 m long that is sloped at an angle of…

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Q: If the net force on a 10 kg object is 40 N, what can we say about this object? The object will be…

A: Given data:  Mass (m) = 10 kg Net Force (Fnet) = 40 N Required:  Acceleration (a)

Q: Hulk starts at 7m, jumps to 16m, and then lands at 8m. What is the total distance covered? What his…

A: Starting point at 7m First jumped to 16m Then lands at 8m

Q: QUESTION 13: For each row you have determined two different values for the magnification. In theory…

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Q: What is the distance covered by the car if it moved 45 km, East and 65 km, West?

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Q: A flower vase on a table slides off horizontally with a speed of 1.50 m/s. It statter in pieces on…

A: Given data: Initial velocity (u) = 1.50 m/s, horizontally Time (t) = 0.450 s Required: The height of…

Q: ). A 1200 kg car is moving at 30 m/s and hits a wall. The car takes 0.25 s to come to a stop. How…

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Q: In the formula F = qu x B: OF must be perpendicular to but not necessarily to B OF must be…

A: Answer : F must be perpendicular to both v and B .

Q: You drop a ball off of a building, In 1 second, it is falling at 4.9 m/s. In two seconds, it is…

A: The velocity of the ball at different instant of time is given and we need to find out the relation…

Q: 15. The diagram below shows two metal spheres suspended by strings and separated by a distance of…

A: Given data:  Distance (r) = 3.0 m Charge (q1) = +5.0×10-4 C Charge (q2) = +3.0×10-5 C Required:  The…

Q: The drag force on a boat varies jointly as the wetted surface area and the square of the velocity of…

A: Given, The drag force on a boat varies jointly as the wetted surface area and the square of the…

Q: If you hold the picket fence at an angle instead of vertically, which of the following will likely…

A: If you tilt the picket fence at an angle rather than keeping it vertical, the likely outcome is as…

Q: 1. A 250 N force pushing a body east and a 200 N force pushing the same body 30° NE.

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Q: The airspeed of an airplane is 100 km/h. When it is caught in a 100-km/h right-angled crosswind, its…

A: Given: Speed of airplane,vairplane=100km/hrSpeed of crosswind,vcrosswind=100km/hrAngle,θ=900 The…

Q: It takes 4 hours for a boater to travel 15 miles upstream and back. If the speed of the boat in…

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Q: The acceleration due to gravity is lower on the Moon than on Earth. Which of the following is true…

A: The  acceleration due to gravity on moon is about  ( g is gravity on Earth,  ).      Mass of an…

Q: A rock is thrown downward from a top of a building with an initial speed of 20 m/s. It strikes the…

A: The problem involves the kinematics of a falling object due to gravity, which can be described by…

Q: In the set of graphs below, the x-axis is meant to represent time, and the y-axis is meant to…

A: As a body is dropping, initially the velocity of the body will be low. Therefore during this period…

Q: A 1200 kg car starts from rest at the top of a hill and at the bottom of the hill is moving at 45…

A: Given data:  Mass (m) = 1200 kg Initial velocity (v0) = 0 m/s Velocity at the bottom of the hill (v)…

Q: An astronaut on earth can throw a ball straight up to a height of 15 m . How high can he throw the…

A: Given An astronaut on earth can throw a ball straight up to a height of 15 m. We have to How high…

Q: car traveling with the initial speed of 30 m/s and traveling a distance 450 m with the final…

A: A car initial speed u = 30 m/s  The final speed of the car is v = 80 m/s  The distance travel by the…

Q: A loaded fruit box has apples that weights 3kg, bananas that weights 22 mg, and some mangoes that…

A: Given data: Mass of apples (ma) = 3 kg Mass of the bananas (mb) = 22 mg Mass of the mangoes (mm) =…

Q: 8) A cannonball is fired from a castle with the trajectory as shown in the figure. The initial…

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Q: An object is fired from the ground at 124.52ft/sec at an angel of 34.35deg. along +x axis. Calculate…

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Q: What is the force of attraction between a 80.5 kg dog and a 32.8 kg cat sitting 2.20 m apart?…

A: Given,

Q: A ray is incident on mirror Mt at an angle of (0,75") to the normal. Q (4): Two mimors make an angle…

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Q: The parachute on a race car of weight 8,850 N opens at the end of a quarter-mile run when the car is…

A: Given Data: Car weight, Initial velocity,    Final velocity, Distance,

Q: Trial Range 1 (m) Range 2 (m) Range 3 (m) Mean Range Mean Launch Speed 1 24.3 22.0 22.9 39.5 38.6…

A: The formula for the mean launch speed is: Here, g is the acceleration due to gravity, and  R is the…

Q: Using the vertical position as a function of time (ignoring air resistance), and the horizontal…

A: Given, An object is in projectile motion.

Q: A baseball player throws the ball to his teammate who is 90 ft away from him. If the ball is thrown…

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Q: A small airplane has an airspeed (speed with respect to air) of 200 km/h. a) Find the time for the…

A: Given Data:- Airspeed of the airplane is vp=200 km/h Concept:- From the relationship of time, speed…

Q: An east bound plane leave Houston for Miami with 30mph tailwind at its back and arrives in 4 hours.…

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Q: Ariel's motorboat can cover 21 miles upstream in 3 hours. He travels 22 miles downstream in 2 hours.…

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Q: b. A sine voltage trace displayed on a screen is shown in figure 2. The x axis is 1unit=50 ms and y…

A: Time period = time taken to complete one oscillation.

Q: Which figure shows A - B ? O choice (a) O choice (d) O choice (b) choice (c) A (b) (d) 1

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