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A projectile is fird with an inital speed ofvi=20m/s at an angle θ=30o with the horizontal. Find
a. the values of vxi and vyi.b. The horizontal and vertical components of the velocity whenthe projectile reaches maximum height.c. The time taken by the projectile to reach its maximumheight.d. The maximum height reaached by the particle.e. The total time taken by the projectile to reach the ground(time going up plus time going down)f. Range of projectile
A 3.0 m tall, 60 cm diameter concrete column supports a 205,000 kg load. By how much is the column compressed
If an electron travels 0.250 m from an electron gun to a TV screen in 32.0 ns, what voltage was used to accelerate it
A omega ?? (mass = 1672 MeV/c2) at rest decays into a kaon K? (mass = 493.7 MeV/c2) and a lambda ?0 (mass = 1115.7 MeV/c2): ?? ? K? + ?0, What is the total kinetic energy of the kaon and lambda
Liquid nitrogen boils at 77.00 K. Would this experiment needs to be altered if we used water, which boils at 373 K? Why.
An ice skater has a moment of inertia of 2.5 kg*m2 when his arms are outstretched and a moment of inertia of 1.0 kg*m2, what will his angular speed be when they are tucked in
Two ropes are attached to a heavy box to pull it along the floor. One rope applies a force of 438 newtons (N) in a direction due west; the other applies a force of 402N in a direction due south.
A hotel elevator ascends 200 m with maximum speed of 5m/s . Its acceleration and deceleration both have a magnitude of 1.0 m/s^2 . a.)How far does the elevator move while accelerating to full speed from rest?
two particles of mass m1 1.5 kg and m2 2.2 kg are traveling with velocities v1 4.5 ms and v2 2.9 ms as shown in the
Consider a parallel-plate capacitor constructed from two circular metal plates of radius R. The plates are separated by a distance of 1.7 mm. What radius must the plates have if the capacitance of this capacitor is to be 1.8 µF?
A vented tank of large cross-sectional area has a horizontal pipe .12m in diameter at the bottom. The tank holds a liquid whose density is 1500 kg/m^3 to the height of 4.0 m.
Meteroids often move at high speeds relative to Earth. If meteroids approach Earth closely enough to hit our atmosphere, find the meteroid's kinetic energy
A positively charged particle of mass 6.00 10-8 kg is traveling due east with a speed of 80 m/s and enters a 0.42 T uniform magnetic field. What is the magnitude of the charge of the particle
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