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On a dry road, a car with good tires may be able to brake with a constant deceleration of 3.19 m/s2.
(a) How long does such a car, initially traveling at 22.2 m/s, take to stop?
(b) How far does it travel in this time?
Space debris left from old satellites and their launchers is becoming a hazard to other satellites. How much energy in joules is generated by the collision
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons, What net force is exerted on the ship
The plates of a 2.5 E-9 F parallel plate capacitor are separated by 1.2 mm. What is the area of each plate
q1. light passes through a 230 linesmm grating and is observed on a 1.0m wide screen located 1.3m behind the grating.
An automobile of mass 1500 kg and a truck of 3500 kg collide at an intersection. What is the velocity (magnitude and direction) of the vehicles immediately after collision
A 1.8 cm --tall object is 15 cm in front of a diverging lens that has a -18 cm focal length. compute Is the image erect or inverted
A 75 g piece of ice at an initially unknown temperature is placed into a glass of 350 g of water sitting at room temperature when it is 75ºF in the room. The glass and ice come to thermal equilibrium at 4ºC.
To stretch a certain spring by 2.70cm from its equilibrium position requires 8.00J of work. What is the force constant of this spring
you are on a plane that leaves DIA and flies 170 km at 68 east of north and then changes direction to fly 230 km at 48 south of east, after which it makes an emergency landing in a pasture next to a large herd of buffalo.
Force F = (-5.0 N) i hat + (5.0 N) j hat acts on a particle with position vector r = (-3.0 m) j hat + (5.0 m) k hat. What is the angle between the directions of force and torque
The lens and mirror are separated by d = 1.00 m and have focal lengths of +80 cm and -50 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.
A 4 kg blue ball moves to the right at 6 m/s. A 3 kg red ball moves to the left at 7 m/s. How fast and in what direction is the red ball moving
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