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A spring k=600N/m is placed in a vertical position with its lower end supported by a horizontal surface. A2 Kg block that is initially 0.40m above the upper end of the spring is dropped from rest onto the spring . What is the kinetic energy of the block at the instant it has fallen 0.50m (compressing the spring0.10m)?
A compound microscope has a barrel whose length is 15.0 cm and an eyepiece whose focal length is 1.5 cm. What focal length must the objective have
An automobile starts from rest and accelerates to a final velocityin two stages along a straight road. Each stage occupies the sameamount of time. In stage 1, the magnitude of the car's accelerationis 2.11 m/s2. The magnitude of the car's velocity ..
What is the spring constant (k) of the bungee cord.At what time will the object be moving with a speed of 15 m/s.
If a Space Station is in a circular orbit 630 km above thesurface, what is its orbital velocity in metres per second
A block with mass m = 5.00kg slides down a surface inclined 36.9 ? to the horizontal (the figure (Figure 1) ). The coefficient of kinetic friction is 0.27. What is the acceleration of the block down the plane
When water freezes, it expands about 8.73%. What would be the pressure increase inside your automobile engine block if the water in it froze
A skateboarder (m = 92 kg) takes a running jump onto a friend's skateboard that is initially at rest as sketched, What was the horizontal component of the velocity of the jumping skateboarder
Calculate the electric field within the membrane, if the thickness of the membrane were quadrupled.
A square with ½-meter long sides has +1 nC at the top left corner, +2 nC at the bottom right corner, Calculate the components of the Electric field at the top left corner add each contribution separately
a wooden speaker with a mass of 12.57 kg is attached to a light spring with a spring constant of 145 nm. the system is
A force F = 4.2 Ni + 3.7 Nj + 1.2 Nk acts on a particle located at x = 3.3 m. What is the torque on the particle around the origin
a golfer imparts a speed of 26.7 ms to a ball and it travels the maximum possible distance before landing on the green.
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