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Johnny throws a shotput at an angle of 45.° and it travels a horizontal distance of 30. meters. If he releases the shotput at the same speed but changes the angle to 55.°, what will be the new range (distance)?
Two small non conducting spheres have a total charge of 85.2. When placed 1.09 apart, the force each exerts on the other is 10.4 and is repulsive. What is the charge on each.
The school bus picks up Brian in front of his house and takes him on a straight-line 3.4 km bus ride to school in the positive direction. what is the position of the school
A disk has radius R = 1.20 cm. Its surface charge density is 1.70 x 10-6 C/m2 from r = 0 to r = R/2 and 9.10 x 10-7 C/m2 from r = R/2 to r = R, What is the total charge (in C) on the disk
What least number of grooves is required for a grating
Material found with a mummy in the arid highlands of southern Peru has a _6^14 text(C) activity per gram of carbon that is 74.0% of the activity percent initially
A 160 g trick baseball is thrown at 63 km/h . It explodes in flight into two pieces, How much energy, in joules, do the pieces gain in the explosion
Which vector has the largest x component and y component
q1. a pipe open at one end has a fundamental frequency of 256 hz. a second pipeidentical to first pipe is shortened by
A 3.0 m long rigid beam with a mass of 120 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Explain by how much upward force does each support exert on the beam?
A projectile is launched at ground level with an initial speed of 50.0 m/s at an angle of 30.0º above the horizontal. It strikes a target above the ground 3.00 seconds later. What are the x and y distances from where the projectile was launched to..
A circular platform is supported by 8 identical steel wires. The platform and its uniformly distributed load has a total mass of 3.7 kg. The breaking stress of steel is 7.50 x 108 pascals.
Particle A has a mass of 5.5 g, particle B has a mass of 1.3 g. Particle A is located at the origin, particle B at the point (x, y) = (25 cm, 0). What is the location of the center of mass
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