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a glass block weighs 25N

a glass block weighs 25N in air . when whole immersed in water, the block weighs 15N. calculate the relative density of glass
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2. asked by zari
3. 1,381 views
Consider the system shown, Block A weighs 45N and block b weighs 25N. Once block b is set into downward motion, it descends at a
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2. asked by tom
3. 2,037 views
A Ray of light in ait strikes a plane surface of a crown glass block at an angle of 50 degrees to the normal.In what direction
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2. asked by Fonge
3. 165 views
A Ray of light in ait strikes a plane surface of a crown glass block at an angle of 50 degrees to the normal.In what direction
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2. asked by Fonge
3. 163 views
Block B weighs 716 N. The coefficient of static friction between block and table is 0.31. Assume that the cord between B and the
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2. asked by Chelsea
3. 956 views
earth and cement block filling a box weighs 390mlb.the block weigh 2.4times as much as water and earth weighs 1.5times as much
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2. asked by Collins
3. 601 views
A rectangular glass block 5cm thick is placed on top of the page of a book. If the refractive index of the glass block is
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2. asked by Kombo abdallah
3. 118 views
A metre rule is pivoted at it's centre.A glass block is hanged from one end and the rule is balanced horizontally by hanging
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2. asked by Prisca
3. 398 views
A block of ice loses one third of its weight every hour. After 2 hours, the block weighs 40 pounds. How much did the block weigh
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2. asked by Joshua
3. 677 views
Need help with these 3, with work shown please---30. A block of ice loses one-third of its weight every hour. After 2 hours, the
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2. asked by mysterychicken
3. 964 views